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Zhang, Meng & Gable, Guy(2017)A systematic framework for multilevel theorizing in information systemsresearch.Information Systems Research, 28(2), pp. 203-224.
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https://doi.org/10.1287/isre.2017.0690
1
A Systematic Framework for Multilevel Theorizing in
Information Systems Research
Meng Zhang
Information Systems School, Science and Engineering Faculty, Queensland University of Technology,
Brisbane 4000, Australia
Email: [email protected]
Mail: Y706C-34, QUT Gardens Point Campus, Brisbane, QLD 4000, Australia
Guy G. Gable
Information Systems School, Science and Engineering Faculty, Queensland University of Technology,
Brisbane 4000, Australia
Email: [email protected]
Mail: Y704, QUT Gardens Point Campus, Brisbane, QLD 4000, Australia
Abstract: Information systems (IS) research usually investigates phenomena at one level of analysis at a
time. However, there are complex IS phenomena that are difficult to address from such a single-level
perspective. A multilevel perspective offers an alternative means to examine phenomena by simultaneously
accounting for multiple levels of analysis. Although useful guidelines for theory development are widely
available, they give little specific attention to developing theory that is conceptualized and analyzed at
multiple levels. Multilevel theorizing or developing theory from a multilevel perspective is more complex
and involves unique challenges. To promote multilevel theorizing in the IS discipline, we focus on
addressing challenges involved in multilevel theorizing and propose a holistic framework for systematically
developing theory from a multilevel perspective. Drawing from the Organization Science and IS literature,
the proposed framework harmonizes and synthesizes previous guidelines, providing a practical basis for
conceptualizing and studying multilevel phenomena.
2
Keywords: multilevel theory; multi-level theory; multilevel research perspective; multilevel theorizing;
multilevel perspective; multilevel paradigm; level of analysis; theory building; research methods.
Introduction
Most information systems (IS) studies address a single level of analysis at a time. For example, studies may
focus only on the individual level, explaining why users adopt or use information technologies (IT) (e.g.,
Davis 1989; Venkatesh and Davis 2000), or the organizational level, explaining how firms leverage IT to
generate business benefits (DeLone and McLean 2003; Melville et al. 2004). However, examining
phenomena from a single level of analysis at a time may be incomplete and disjointed (Bélanger et al. 2014;
Burton-Jones and Gallivan 2007). As a more comprehensive approach to theory building, a multilevel
(research) perspective encourages simultaneous examination of phenomena at multiple levels of analysis
(Bélanger et al. 2014; Burton-Jones and Gallivan 2007; Kozlowski and Klein 2000; Rousseau 1985; House
et al. 1995). For example, to understand group IT adoption, researchers may consider both the individual
and the group levels, by examining how a group’s attitude toward IT adoption results from an interaction
among group members with diverse attitudes (Sarker and Valacich 2010).
A multilevel perspective is defined as an approach to theory development that considers the relevance of
multiple levels of analysis (Kozlowski and Klein 2000; Burton-Jones and Gallivan 2007; Bélanger et al.
2014). Level of analysis refers to the conceptual entity under theoretical and empirical investigation such as
individuals, groups, and organizations. Such conceptual entities may be hierarchically organized (Rousseau
1985); for example, a group may consist of individual members and an organizational department may
consist of work teams. As argued by Mathieu and Chen (2011), given levels of analysis are hierarchically
organized, many phenomena at one level are influenced inevitably by factors above or below the focal
level. Thus, multilevel theorizing explores opportunities for developing theoretical propositions that explain
phenomena spanning multiple levels of a hierarchical system (Kozlowski and Klein 2000).
A multilevel perspective to theory development offers an effective means to integrate theories that address
3
different levels of analysis (Rousseau 2011; Burton-Jones and Gallivan 2007; House et al. 1995). House et
al. (1995) argued that linking theories at separate levels helps build a coherent and integrated research field.
Burton-Jones and Gallivan (2007) maintained that theory integration across levels may create new research
opportunities. Further, a multilevel perspective represents a more natural and complete way of examining
phenomena (Burton-Jones and Gallivan 2007). For instance, individual-level studies of technology adoption
might suggest that successful technology implementation needs to ensure that the technology is easy to use,
whereas organizational-level studies of technology adoption might urge firms to implement cutting-edge
technology in order to sustain their competitive advantage. As cutting-edge technology may be difficult to
implement or use in practice, there might be contention between the implications from the individual-level
and the organizational-level studies. To resolve the situation, a multilevel perspective may integrate and
harmonize the individual-level and the organizational-level studies (Burton-Jones and Gallivan 2007).
Although several studies in IS research have benefited from adopting a multilevel perspective (e.g., Kang et
al. 2012; Sarker and Valacich 2010; Lapointe and Rivard 2005), studies that examine IS phenomena from
a multilevel perspective are scarce (Bélanger et al. 2014; Burton-Jones and Gallivan 2007). Furthermore,
existing guidelines primarily for single-level theory (e.g., Dubin 1978; Bacharach 1989; Jaccard and Jacoby
2010) paid scant attention to challenges involved in multilevel theorizing (Rivard 2014). Thus, there have
been extensive discussions over the past decades on issues related to multilevel theory development, as
depicted in Table 1 (e.g., Rousseau 1985; Klein et al. 1994; House et al. 1995; Chan 1998; Morgeson and
Hofmann 1999; Kozlowski and Klein 2000; Burton-Jones and Gallivan 2007; Bélanger et al. 2014).
4
Table 1. Snapshot of Literature Related to Multilevel Theorizing
Key Literature Primary Focus Major Limitations Rousseau 1985 Analyzed phenomena that span multiple levels of
analysis, but share the same nature of content. Did not elaborate in detail other types of multilevel models.
Klein et al. 1994 Analyzed the similarities and differences of members of a group and the implications for developing multilevel models.
Did not elaborate in detail other types of multilevel models.
House et al. 1995 Elaborated the core value of multilevel theorizing. Did not address multilevel theory development procedures.
Chan 1998 Extended Rousseau’s (1985) analysis and developed operationalization approaches for compositional models that span multiple levels of analysis, but share the same nature of content.
Did not focus on theoretical explanations of multilevel phenomena.
Morgeson and Hoffman 1999 Analyzed the nature of bottom-up processes and the implications for developing multilevel models.
Did not consider top-down processes.
Kozlowski and Klein 2000 Comprehensively addressed all aspects of multilevel theory development including theorizing, operationalization, data collection, and statistical analysis, and elaborated Morgeson and Hoffman’s (1999) conceptual analysis of bottom-up processes.
Incomplete in not considering many important types of multilevel models, especially models that involve top-down processes.
Burton-Jones and Gallivan 2007 Further elaborated Morgeson and Hoffman’s (1999) conceptual analysis of bottom-up processes and contextualized their analysis using System Usage studies.
Did not address important types of multilevel models that are a result of top-down processes.
Bélanger et al. 2014 Analyzed the role of IT or IS in supporting meaningful conceptualization of entities.
Did not address theoretical analysis of different types of multilevel models.
However, existing guidelines for multilevel theorizing in the literature are not systematic in several respects.
First, terms used to describe multilevel theorizing have proliferated, engendering confusion for readers.
Although several useful attempts have been made toward a clarification1 (e.g., Bélanger et al. 2014; Burton-
Jones and Gallivan 2007; Gallivan and Benbunan-Fich 2005; Kozlowski and Klein 2000), they did not
focus on clarifying terms that are used to describe different types of multilevel effects2. A partial list of such
terms includes: “homogeneity”, “heterogeneity”, “within-unit and between-unit variance”, “shared unit
property”, and “configural unit property”. For instance, Klein et al.’s (1994) term “homogeneity” refers to
the circumstance in which all individual members of a group have the same value regarding some attribute
or property (e.g., every member of a group has the same extent of expertise), whereas their term
“heterogeneity” is not opposite in meaning to their term “homogeneity”, but, instead, refers specifically to
the existence of “frog-pond effects” (which are explained in subsequent sections). As a further example of
1 A list of related terms is attached in Appendix A.
2 Our sincere thanks to Reviewer 2 for detailed guidance in attention to this issue.
5
existing confusion, the term “configural unit property” introduced by Kozlowski and Klein (2000) refers to
“mono-, unequally distributed effect” or “combined-effect” or both (these terms are defined in subsequent
sections). The term “shared property” introduced by Kozlowski and Klein (2000) is also seemingly opposite
in meaning to “configural unit property”. However, “shared unit property” has an utterly different
meaning, referring only to a subset of “mono-, equally distributed effect” (this term is also defined in
subsequent sections). Furthermore, existing guidelines are incomplete in terms of considering the possible
types of multilevel models, and therefore are inadequate for analyzing all kinds of multilevel phenomena in
empirical settings. While Kozlowski and Klein’s (2000) work has been most comprehensive in covering all
the aspects involved in multilevel theorizing, their typology of multilevel models lacks important types of
multilevel models that involve top-down processes. For instance, they regarded “frog-pond effects” as the
only way to account for top-down processes when influences from a higher level are unequally distributed
across members of a group, which limited the rich range of possibilities in multilevel theorizing. Lastly,
existing literature represented different types of multilevel phenomena as a set of somewhat scattered,
isolated models, but did not clarify the inherent logic that connects these models. This representation of
multilevel models may inhibit easy access to multilevel theorizing.
To encourage more multilevel theoretical and empirical studies in IS research and to address limitations in
the existing guidelines for multilevel theorizing, this paper proposes a framework for multilevel theorizing.
Drawing primarily from the IS and the Organization Science literature (e.g., Klein et al. 1994; House et al.
1995; Kozlowski and Klein 2000; Burton-Jones and Gallivan 2007; Bélanger et al. 2014), we integrate,
harmonize, and synthesize existing guidelines, thereby offering a systematic approach to conceptualizing
and examining a spectrum of multilevel phenomena. We argue that the framework is more comprehensive
in considering multilevel phenomena than anything prior, and that the framework establishes a coherent
basis for researchers to better make sense of multilevel phenomena. The framework also shows that only a
subset of possible multilevel phenomena have been explored in empirical studies. It is thus hoped that the
framework will enrich analytical toolkits available for IS research and will encourage researchers to address
untapped terrains of multilevel phenomena.
6
A Framework for Multilevel Theorizing
Multilevel theorizing is not incompatible with prior prescriptions on theory development (e.g., Dubin 1978;
Bacharach 1989; Jaccard and Jacoby 2010; Gregor 2006; Weber 2012). For instance, notions such as
parsimony, elegance, accuracy, and generality (e.g., Bacharach 1989), and ideas about how theory should
be evaluated (e.g., Weber 2012) apply similarly to multilevel theorizing. The key difference is there are
extra considerations needed for multilevel theorizing. Consistent with prior studies (e.g., Kozlowski and
Klein 2000; Burton-Jones and Gallivan 2007), we do not examine a general process of theory development
(e.g., discuss how to formulate a research question), but focus specifically on extra considerations that must
be addressed in multilevel theorizing. We thus consider how multilevel theorizing can extend single-level
theory, by focusing on differences between multilevel theorizing and the development of single-level theory.
A framework for multilevel theorizing is proposed. The framework synthesizes the prior body of thought
(e.g., Kozlowski and Klein 2000; Klein et al. 1994; Morgeson and Hofmann 1999; Burton-Jones and
Gallivan 2007; Rousseau 1985; House et al. 1995) and characterizes an approach that guides researchers to
develop multilevel theory systematically (see Table 2).
Several caveats should be noted. First, researchers should remain open to the iterative process of theory
development. As argued by Weick (1989), theory development is not linear, but entails evolutionary
understanding and cyclical modification of a research design. Although the framework consists of a flow of
steps, it is necessary for researchers to reflect regularly on execution of prior steps and if useful to return to
prior steps until satisfied.
Further, the proposed framework focuses mainly on theory building instead of theory testing. For empirical
studies, it is important to address challenges in validating multilevel theory such as operationalization
(Chan 1998; Kozlowski and Klein 2000), sampling (Kozlowski and Klein 2000; Klein et al. 1994), and
statistical analysis of hierarchical data (Hox 2010; Snijders and Bosker 1999). However, these issues are not
covered herein.
Moreover, although multilevel theorizing can be used to develop both variance-based models and process
7
models and can be used together with both quantitative and qualitative techniques, our analysis emphasizes
variance-based modeling approach and quantitative analysis. Given such a focus, researchers may need to
consider contrasting scenarios that demonstrate the variance of constructs. For example, to analyze how
organizational culture might influence employees’ work performance, researchers may need to consider
what types of organizations rank higher on a particular dimension of organizational culture (e.g., “respect
for authority” or “security culture”) and what types of organizations rank relatively lower. In other words,
to analyze such phenomena from a variance-based perspective, empirical scenarios must be able to vary.
Lastly, although operationalization issues are not a central focus, some discussion on operationalization in
places can help to elaborate the theoretical nature of a phenomenon. In particular, given an
operationalization approach needs to conform to the theoretical nature of a phenomenon, illustrating a
complex multilevel phenomenon via its possible operationalization approaches may concretize abstract
notions with tangible, familiar empirical cases. Regardless, we caution that operationalization procedures
mentioned herein should not be interpreted as the only way to test multilevel models.
8
Table 2. Framework for Multilevel Theorizing
Step Main Activities Rationale
(1). Specify single-level theory that characterizes the focal phenomenon of interest;
• Clarify the focal phenomenon of interest with a construct or a relationship;
• Consider relevant dependent variables; • Explore whether there is a suitable, existing single-level
theory; • Remain open to new dependent variables as theorizing
unfolds.
• Theorizing is guided by the focal phenomenon of interest;
• Multilevel theorizing often starts with single-level theory (Kozlowski and Klein 2000).
(2). Identify candidate theoretical entities that might be relevant to the single-level theory;
• Consider the focal entity’s larger contexts (e.g., a family unit or an institution) and granular counterparts (e.g., individuals or project teams);
• Narrow down candidate theoretical entities based on a holistic consideration of factors such as research interest, expertise, reference theory, prior conceptual framework, analytical tools, and availability of data;
• Clearly articulate rules that define candidate entities and justify the existence of candidate entities by considering, for instance, the principles for identifying the collectiveness of the entities or how the existence of IT might support the structure of the entities.
• An entity is almost always embedded within a larger context or composed of a number of smaller components or both;
• Formal classifications of entities (such as organizational departments) may fail to capture the nuances of phenomena (Mathieu and Chen 2011).
(3). Explore zoom-in or zoom-out theorizing strategies;
• Zoom in to consider both the focal entities and their internal structures and functions;
• Zoom out to consider both the focal entities and their external contexts;
• Tentatively present possible top-down or bottom-up effects revealed by zoom-in or zoom-out strategies.
• Multilevel theorizing hinges on a deliberate shift of research attention;
• Research attention can only selectively abstract reality;
• The possibilities of selective abstraction should be systematically explored.
(4). Specify top-down or bottom-up effects.
• Analyze what kinds of top-down influence or bottom-up contribution are potentially relevant and assess the likelihood of interaction among the different kinds;
• Analyze whether the top-down influence applies equally in amount to all lower-level entities and whether the bottom-up contribution applies equally in amount from all lower-level entities;
• Analyze whether top-down influence or bottom-up contribution is targeted at a construct or a relationship;
• Specify the exact top-down and bottom-up effects and present relevant theoretical and empirical justifications;
• Consider alternative conceptualizations of top-down and bottom-up effects and comparatively assess competing conceptualizations.
• Multilevel phenomena can take complex forms; researchers must be precise about the exact phenomena under scrutiny;
• Thinking about alternative conceptualizations of multilevel phenomena can help refine thinking, spark creativity for preferred choices, and generate new research questions for future investigation (Klein et al. 1994).
9
Step 1 - Specify Focal Single-Level Theory
It is important to clarify the focal phenomenon of interest (Kozlowski and Klein 2000). This can be carried
out through specifying a focal, single-level theory. A construct, or two constructs at the same level of
analysis and a relationship between the two constructs may serve as such a focal theory3. For example, the
analysis may commence with a focus on organizational productivity subsequent to the implementation of a
business intelligence system. The researcher may focus on the influence of organizational structure (as an
independent variable) on organizational productivity.
Notably, although interesting independent variables may initially motivate a study, theorizing should be
anchored to at least one relevant dependent variable. The ultimate aim of theoretical explanation is to
answer the question of “why” through exploring alternative independent variables or antecedents (DeLone
and McLean 1992). Hence, the focal construct or relationship should be or should include at least a
dependent variable (Kozlowski and Klein 2000). Example dependent variables include: IS project success
(Rai et al. 2009) and IS avoidance (Kane and Labianca 2011). Furthermore, where a research domain is
relatively more advanced and the aim is primarily to extend an established or widely accepted theory, the
established theory or a part of it could serve as the focal single-level theory. For example, researchers may
use the three constructs of Technology Acceptance Model (i.e., Ease of Use, Usefulness, and Intention to
Use) together with the relationships among the three constructs as the focal single-level theory (e.g., Sarker
and Valacich 2010).
Although a focal single-level theory offers a locus for anchoring subsequent examinations, researchers may
change dependent variables as the theoretical investigation unfolds. One possibility is that the researcher
finds more interesting or more researchable questions that can be addressed only by replacing one or more
of the dependent variables. For example, where the researcher’s initial interest lies in studying the impact of
organizational structure on organizational productivity after the implementation of a business intelligence
system, the researcher may find that different teams tend to use the system in diverse ways and to different 3 In our view, a construct alone is also theory, with which some may disagree.
10
extent and, therefore, may argue that team productivity is a more appropriate dependent variable to
examine the impact of the system.
It is also possible that the researcher adds a dependent variable at a level separate from the original focal
level. For example, the researcher may initially study how individual system usage affects a person’s task
performance and later may find it interesting to explore how individual members’ system usage might
aggregate at the group level to influence group performance (e.g., Burton-Jones and Gallivan 2007).
Step 2 - Identify Candidate Theoretical Entities
It is crucially important to ask what theoretical entities or levels (e.g., work teams, departments) are relevant
to the phenomenon of interest (Kozlowski and Klein 2000; Klein et al. 1994; Bélanger et al. 2014). Because
a theoretical entity is almost always embedded within a larger context, or composed of a number of smaller
components, there are often several if not many entities available for theoretical investigation (Kozlowski
and Klein 2000). The researcher must consider what theoretical entities or levels are most relevant. Several
aspects can be considered regarding the relevance of theoretical entities. Choices are best made given a
holistic consideration of these aspects.
The researcher’s own personal interest or knowledge background is perhaps one of the strongest drivers for
identifying candidate entities. The availability of reference theory or conceptual frameworks can be another
source of insights; for example, social network theory stimulated empirical studies that shift level of analysis
from an individual level to a collective level by taking the network of individuals’ communication patterns
into consideration (e.g., Kane and Labianca 2011). Furthermore, given multilevel theory needs to be tested
using hierarchical data (e.g., employees’ performance grouped per their work groups and departments), the
availability of existing hierarchical data or the feasibility of collecting such data can be a driver; it may be
more productive to pursue data-rich areas.
In identifying candidate theoretical entities, it is crucial to make clear what characteristics or attributes the
theoretical entities entail (Klein et al. 1994; Rousseau 1985; Mathieu and Chen 2011; Bélanger et al. 2014).
11
Mathieu and Chen (2011, p. 615) observed that defining entities based entirely on “formal classifications,
such as designated members of a team, full-time employees on an organizational payroll, Standard
Industrial Classification codes, and alike” are inappropriate for phenomena involving special forms of
collectives, such as “ad hoc task forces”, or where there are exceptions, for example, due to “a large
number of part-time or temporary workers”. It is necessary to “define why a particular collective is a salient
grouping entity or provide clear rules for inclusion and exclusion of membership” (Mathieu and Chen
2011, p. 615). Burton-Jones and Gallivan (2007, p. 665) suggested four principles that can be used to
identify collective entities: “(1) Do the individuals consider themselves to be members of a collective (that
may, in turn, be part of a larger collective)? (2) Do the individuals recognize one another as members and
distinguish members from nonmembers? (3) Do the collective members’ activities show more tightly
coupled interdependence within the group than with others in the larger collective? (4) Do members of the
collective share a common fate (or consequence) that is not totally shared by the larger collective?” In a
similar vein, Bélanger et al. (2014) suggested that the existence of IT may be used to help identify entities.
For instance, researchers may define entities according to routines and structures supported by the
presence of IT; where a newly implemented strategic decision support system involves a chain of activities
that are required to be enacted by a cohort of organizational users, this cohort of organizational users, even
if belonging to separate organizational departments, may serve as a collective entity for theoretical analysis.
Step 3 - Explore Zoom-In or Zoom-Out Strategies
Once candidate theoretical entities are tentatively identified, researchers should direct attention away from
one focus to another. Two distinctive strategies of shifting focus can be explored. To illustrate, consider a
researcher with a camera4. The camera represents the means for the researcher to observe a complex real-
world system (see Figure 1). No matter how advanced it is, a camera can only characterize limited aspects
of the real-world system (due to, for example, limited resolution, or distortion as a result of information
loss). To describe the behavioral patterns of objects within a real-world system, the researcher may focus on 4 We thank Reviewer 2 for offering this metaphor.
12
the objects themselves and track their patterns of movement (see Figure 1[a]). Alternatively, the researcher
may (i) zoom in to observe the internal structures of objects and track both their movements and changes in
internal structures (see Figure 1[b]); or, the researcher may (ii) zoom out to observe the objects within their
external environments and track both their movements and changes in external environments (see Figure
1[c]).
Figure 1[a]. Single-Level Abstraction
Figure 1[b]. Zoom-In Abstraction
Single-Level Abstraction
Repeated Observations A Complex Real-World System
Zoom-In Abstraction
Repeated Observations A Complex Real-World System
13
Figure 1[c]. Zoom-Out Abstraction
Figure 1. Possible Strategies for Conceptualizing a Complex Real-World System
This camera metaphor conveys a main difference between the development of single-level theory and
multilevel theory. Single-level theorizing requires accounting for only the behavioral patterns of the focal
entities (Figure 1[a]). In contrast, multilevel theorizing requires the researcher to zoom in with their
conceptual lens, thereby considering both the focal entities and their internal structures and functions
(Figure 1[b]), or to zoom out with their conceptual lens, thereby considering both the focal entities and
their external contexts (Figure 1[c]).
When employing a zoom-in strategy, the researcher seeks to account for a lower-level entity in addition to
the focal level entity; for example, rather than consider a group (or other collective entity) as a “black box”,
the researcher may analyze group members’ different contributing roles. When employing a zoom-out
strategy, the researcher seeks to account for a higher-level entity in addition to the focal level entity; for
example, rather than consider individuals (or other entities) as isolated from external contexts, the
researcher may analyze the individuals’ received environmental or contextual regulations.
Zoom-in and zoom-out strategies can be carried out to capture two distinctive theoretical effects: (i)
bottom-up effects where a higher level emerges from or is sustained by a lower level and (ii) top-down
effects where a lower level is regulated, constrained, or reinforced by a higher level (Kozlowski and Klein
Zoom-Out Abstraction
Repeated Observations A Complex Real-World System
14
2000). Each of zoom-in or zoom-out strategy may result in bottom-up (“ ⇑ ”) or top-down (“ ⇓ ”) effects or
both (see Table 3). Bottom-up effects can capture, for example, how a certain pattern of system usage by a
group might derive from its individual, lower-level counterparts (Burton-Jones and Gallivan 2007). One
well-known top-down effect is that technology acceptance behaviors may vary across diverse cultural
backgrounds (Straub et al. 1997). Researchers should tentatively identify possible bottom-up or top-down
effects that correspond roughly to one or more of the scenarios in Table 3.
Table 3. Possible Theoretical Effects Resulting from Zoom-In and Zoom-Out Strategies
Focal Single-Level Theory Strategy Theoretical Effects Captured
Focal Construct! → Focal Construct!
Zoom-In
Bottom-Up Effect Focal Construct! → Focal Construct!
⇑ New Construct! → New Construct!
Top-Down Effect Focal Construct! → Focal Construct!
⇓ New Construct! → New Construct!
Zoom-Out
Top-Down Effect New Construct! → New Construct!
⇓ Focal Construct! → Focal Construct!
Bottom-Up Effect New Construct! → New Construct!
⇑ Focal Construct! → Focal Construct!
Step 4 - Specify Top-Down and Bottom-Up Effects
Although top-down effects and bottom-up effects may coexist in one study, we examine them separately.
Top-down and bottom-up effects are broad notions that encapsulate a large number of possible theoretical
effects. It is necessary for the researcher to specify and refine the exact effects appropriate for the
phenomenon. Such specification remains one of the most challenging tasks in multilevel theorizing.
A Typology of Multilevel Phenomena
To help specify multilevel phenomenon, we propose a typology (see Table 4). In the typology, there are
eight types of top-down or bottom-up effects (labeled with Roman numbers I to VIII) and two Null types,
which represent the absence of top-down or bottom-up effects. Further, each top-down or bottom-up effect
type has two variants; researchers may consider one or a mix of these sixteen archetype models to specify
the phenomenon of interest. The typology of multilevel phenomena is cross-referenced with the literature
(see Table 5). The distinctions (i.e., “Kind”, “Amount”, and “Target”) that are used to differentiate these
15
models are briefly summarized in Table 6 and thereafter illustrated in detail. Note that the models in the
typology are archetypes and that a study may include more than one of these models. Researchers thus
should systematically explore the relevance of each type according to the specific research setting. We next
discuss how each archetype should be specified in detail.
16
Table 4. Typology of Multilevel Phenomena
Direction Type Kind Amount Target Archetype Model*
Top-down
I Mono Equally Distributed
Construct
Relation
II Mono Unequally Distributed
Construct
(Frog-pond instance: )
Relation
(Frog-pond instance: )
III Combined Equally Distributed
Construct
Relation
IV Combined Unequally Distributed
Construct
(Frog-pond instance: )
Relation
(Frog-pond instance: ) Null Top-down effects are absent.
* Dashed lines divide lower-level and higher-level constructs; XL refers to a lower-level construct (e.g., individual); XH refers to a higher-level construct (e.g., group). These models are cross-referenced with the literature in Table 5.
YL
XH
WH
YLXL
YL, n
XHf (n)
(XL — XH) YL
WH
YL, nXL, n
f (n)
(WL — XH)
YLXL
YL
f [ XH1; XH2]
f [ XH1; XH2]
YLXL
YL, n
f [ XH1; XH2]f (n)
(XL — f [ XH1; XH2]) YL
f [ XH1; XH2]
YL, nXL, n
f (n)
YLXL
(WL — f [ XH1; XH2])
17
(Continuing Table 4…)
Table 4. Typology of Multilevel Phenomena
Direction Type Kind Amount Target Archetype Model*
Bottom-up
V Mono Equally Distributed
Construct
Relation
VI Mono Unequally Distributed
Construct
Relation
VII Combined Equally Distributed
Construct
Relation
VIII Combined Unequally Distributed
Construct
Relation
Null Bottom-up effects are absent.
* Dashed lines divide lower-level and higher-level constructs; XL refers to a lower-level construct (e.g., individual); XH refers to a higher-level construct (e.g., group). These models are cross-referenced with the literature in Table 5.
YH
XL
WH
YHXH
XL
WH
YHWH
XL,1 XL,2 XL,N…
WH
XL,1 XL,2 XL,N…
YHXH
WH
f [ XL1; XL2]
YH
WH
f [ XL1; XL2]
YHXH
…
WH
f [ XL1, 1; XL2, 1] f [ XL1, 2; XL2, 2] f [ XL1, N, XL2, N]
YH
…
WH
f [ XL1, 1; XL2, 1] f [ XL1, 2; XL2, 2] f [ XL1, N, XL2, N]
YHXH
18
Table 5. Archetype Models Cross-Referenced with the Literature
Descriptor Archetype Model Direction Top-Down Bottom-Up
Type I II III IV Null V VI VII VIII Null Kind Mono Combined Mono Combined
Amount: Equal/Unequal E U E U E U E U Target:
Construct/Relation C R C R C R C R C R C R C R C R
Cross-Reference with the Literature* Klein et al. (1994):
Individuals free of group influence (pp. 200 – 201);
Mixed effects models and mixed-determinants models (pp. 221 – 223);
The group as a whole (pp. 199 – 200);
Frog-pond effects (pp. 201 – 203);
Morgeson and Hoffman (1999): Structure and function of collective constructs;
Chan (1998): Typology of compositional models (p. 236);
Kozlowski and Klein (2000): Global unit properties (pp. 29 – 30);
Cross-level direct effects (pp. 42 – 43);
Cross-level moderator (p. 43);
Cross-level frog-pond (pp. 43 – 44)
Shared unit properties (p. 30);
Configural unit properties (pp. 30 – 32);
Composition emergence (pp. 52 – 77);
Compilation emergence (pp. 52 – 77);
Burton-Jones and Gallivan (2007): Structure and function of collective System Usage construct;
* Greyed cells indicate the model archetypes are not previously discussed in the literature.
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
! 16!
Table!2.!Comparison!between!Multilevel!Perspective!(MLP)!and!Single@Level!Perspective!(SLP)!
Phase&of&Research& Differentiating&Characteristics& MLP& SLP&
Formulation!of!
Theoretical!Model!
Construct! (i)!Narrower!definition! ! ✓! ✓!
! ! (ii)!Broader!definition! ! ✓! ✗!
! ! Level!of!construct!(LC)! (i)!For!any!(i,!j),!LCi!=!LCj;! ✓ ✓
! ! ! (ii)!There!is!(i,!j),!LCi!≠!LCj;! ✓ ✗
! Relationship!among!
constructs!
(i)!Structural!relation! ! ✓! ✗!
! ! (ii)!Causal!relation! (a)!Single@level!causal!
relation!
✓! ✓!
! ! ! (b)!Cross@level!causal!
relation!
✓! ✗!
! Relationship!among!
structurally!related!
constructs!
Functional!equivalence! ! ✓ ✗
Operationalization!of!
Theoretical!Model!
Level!of!Measurement!(LM)! If,!for!any!(i,!j),!LCi!=!LCj;! (i)!For!any!i,!LCi!=!LMi;! ✓! ✓!
! ! ! (ii)!There!is!i,!LCi!≠!LMi;! ✓! ✗!
! ! If,!there!is!(i,!j),!LCi!≠!LCj;! (i)!or!(ii);! ✓! ✗!
Test!of!Theoretical!
Model!
Data!Collection! (i)!Hierarchical!data! ! ✓! ✗!
! ! (ii)!Non@hierarchical!data! ! ✓! ✓!
! Statistical!Technique! Multilevel!analysis!technique! ! ✓! ✗!
! ! Traditional!technique! ! ✓! ✓!
! Level!of!Statistical!Analysis!
(LSA)!
If,!for!any!i,!LCi!=!LMi;! (a)!LSAi!should!be!LMi;! ✓! ✓!
! ! If,!there!is!i,!LCi!≠!LMi;! (b)!LSAi!should!be!
transformed!from!LMi!
based!on!the!relevant!
structural!relationship!in!a!
theoretical!model;!
✓! ✗!
! Content!of!Test! (i)!Existence!of!level! ! ✓! ✗!
! ! (ii)!Construct!validity! ! ✓! ✓!
! ! (iii)!Structural!relationship! ! ✓! ✗!
! ! (iv)!Causal!relationship! ! ✓! ✓!
! Result!of!Test! (i)!Presence/absence!of!(a)!
single@level!causal!relation!and!
unknown!of!(b)!structural!
relation!or!(c)!cross@level!causal!
relation!
! ✓! ✓!
! ! (ii)!Presence/absence!of!(a)!
single@level!causal!relation,!
presence/absence!of!(b)!
structural!relation,!and!
presence/absence!of!(c)!cross@
level!causal!relation!
! ✓! ✗!
19
Table 6. Summary of the Key Terms Adopted in the Typology
Purpose Key Term Definition Example Differentiate “Kind”
Mono-Effects Top-down effects are characterized as mono-effect when a higher-level entity produces one or a similar kind of influence on its lower-level entities; or when a higher-level entity produces multiple kinds of influence on its lower-level entities and each of these kinds can have an independent effect irrespective of the presence of the other kinds. Bottom-up effects are characterized as mono-effect when lower-level entities make one or a similar kind of elementary contribution to their higher-level entity; or when lower-level entities make multiple kinds of elementary contribution to their higher-level entity and each of these kinds can have an independent effect irrespective of the presence of the other kinds.
Group culture and group size both independently affect individual performance.
Combined-Effects Top-down or bottom-up effects are characterized as combined-effect, when such influence or contribution consists of multiple kinds and these kinds interact and combine to effect.
Group culture and group size interact and combine to affect individual performance.
Differentiate “Amount”
Equally Distributed Effects
Top-down effects are characterized as equally distributed if each higher-level entity has influences similar in amount on its lower-level entities. Bottom-up effects are characterized as equally distributed if the bottom-up contributions from a group of lower-level entities are the same or similar in amount.
Each member’s attitude or opinion contributes to group consensual attitude equally in amount.
Unequally Distributed Effects
Top-down effects are characterized as unequally distributed if each higher-level entity has unequal influences on its lower-level entities. Bottom-up effects are characterized as unequally distributed if the bottom-up contributions from a group of lower-level entities are unequal in amount.
Organizational culture affects some employees’ job performance more than others’ job performance.
Differentiate “Target”
Effects Targeted at a Construct
Top-down or bottom-up effects affect the variance of a construct. Organizational culture affects individual performance.
Effects Targeted at a Relation
Top-down or bottom-up effects affect the occurrence or magnitude of a relationship.
Organizational IT training affects the extent to which individual IT usage promotes individual performance.
Top-Down Effects
Type I: Top-Down, Mono-, Equally Distributed Effects
Researchers may consider Type I effect, when a higher-level construct directly constrains or facilitates a
lower-level construct. Kozlowski and Klein (2000) called it “cross-level direct effect”. For example,
Cenfetelli and Schwarz (2011) posited that website quality (at a website level) may directly affect users’
system usage intention (at an individual user level). The extent of such top-down influence remains
20
invariable for all users of the same website. As noted by Kozlowski and Klein (2000), multiple such top-
down relationships may coexist in a single “mixed determinants model” where multiple higher-level
constructs affect one lower-level construct, or a single “mixed effects model” where one higher-level
construct affects multiple lower-level constructs.
Rather than influence a lower-level construct, a higher-level construct may moderate the occurrence or
magnitude of a lower-level relation (Kozlowski and Klein 2000). In other words, top-down effects may be
targeted at a relation rather than a construct. For example, an organization’s IT training support might
increase its employees’ effectiveness in using the IT system (a construct) (Niederman et al. 1996); or, culture
of a society (e.g., Japan, Switzerland, and United States) might influence the extent to which a person’s
perceived social norm will affect the person’s intention to adopt technology (a relation) (Straub et al. 1997).
This distinction between “targeting a construct” and “targeting a relation” applies to all types of top-down
and bottom-up effects (see the column “Target” of Table 4).
Based on this distinction, a variant of Type I effect is thus when a higher-level construct affects a lower-level
relation. Theory of strategic IT alignment considers both the industry and the firm levels (e.g., Tallon and
Pinsonneault 2011). Where IT is aligned with a firm’s strategy, the firm can become more agile. Firm
agility, however, is most useful when the parent industry is highly volatile, because agility can help a firm
respond more quickly to change. Hence, industry volatility (at the industry level) may moderate the firm-
level relationship between firm agility and performance.
Type II: Top-Down, Mono-, Unequally Distributed Effects
Top-down effects may equally or unequally affect target entities. For example, organizational culture might
affect some employees’ job performances significantly more than others’ job performances. This might be
because new organizational members need a period of time to assimilate organizational culture, and thus
new organizational members’ job performances might be less subject to the influence of organizational
culture. Top-down effects should be characterized as equally distributed if the top-down influence from the
higher-level entities is the same or similar in amount on the lower-level entities; otherwise, such top-down
21
effects should be characterized as unequally distributed (see the fourth column of Table 4).
Notably, equal or unequal distribution of top-down effects does not suggest that the values of the construct
of the focal entities within a group must be similar or different. If organizational culture affects employees’
job performances equally in magnitude within an organization, it does not suggest that the values of the job
performance construct for all the employees of the organization must also be the same.
Different from Type I effect, researchers should consider Type II effect when suspecting that the top-down
influence applies unequally in magnitude or degree to lower-level entities. The primary differences between
Type I effect and Type II effect are illustrated in Figure 2. In particular, Type II effect emphasizes the
importance of the relative position or location of an entity within a group, such as shorter- versus longer-
term members of an organization.
Figure 2. Distinction between Type I Effect and Type II Effect
Type II effect also has two variants depending on whether it is targeted at a lower-level construct or a
lower-level relation. The first variant is targeted at a lower-level construct. What is called “frog-pond effect”
(also called “heterogeneous, parts, or individual-within-the-group model” by others [e.g., Klein et al. 1994;
Kozlowski and Klein 2000]) represents an instance of Type II effect.
Consider groups of frogs with each group tied to a pond. A frog looks relatively larger if all other frogs in
the same pond are smaller (see Figure 3). For example, Frog A looks larger in Pond 1, but smaller in Pond
2, given other frogs nearby. Frog-pond effect refers to the phenomenon that the location of a frog may
enlarge or reduce its perceived size. It is an unequal distribution of top-down influence, because the pond
of a frog (at a higher level) only makes some frogs appear larger, but not all larger or with equivalent
Higher-LevelEn.ty
Lower-LevelEn.tyLoca.on
a b c d
++ ++ ++ ++
TypeIEffect
Loca.ona b c d
+++ ++ + ++
TypeIIEffect
22
magnitude. Frog C, for instance, looks relatively small in both Pond 1 and Pond 2; the pond has little
influence on the perceived size of Frog C relative to others.
Figure 3. Example of Frogs of Different Size Situated in Different Ponds
There are practical implications. Assume larger frogs are more competitive than smaller ones. A frog’s
absolute size may not matter. Instead, Frog A is more competitive in Pond 1 but less competitive in Pond 2.
Hence, Frog A will more likely survive in Pond 1 but less likely in Pond 2. It is thus a frog’s relative size that
matters most. In other words, the extent to which a frog’s size will determine survival also depends on the
frog’s particular circumstance (i.e., its pond or its neighboring competitors). In particular, a pond can have
unequal influence on frogs: a pond may help frogs that are small in an absolute sense but are comparatively
larger than their neighboring frogs to survive (e.g., Frog A); however, a pond may not help frogs that are
both small in an absolute sense and smaller than their neighboring frogs to survive (e.g., Frog C)5.
There is little doubt frog-pond phenomena can be qualitatively examined. To examine such phenomena
5 In other words, “the pond” has an influence on the lower-level entities. In many empirical settings, “the
pond” is a human collective such as a group or an organization.
A
CB’
A’ B’B’
C’ C’
C’C’
CC
C C
CC
Pond 1 Pond 2
Size of (A, C) = (80, 40); Average Frog Size in Pond 1 = (80 * 1 + 40 * 7) / (1 + 7) = 45; Relative Size of (A, C) = (80/45, 40/45) ≈ (1.78, 0.89);
Size of (A’, B’, C’) = (80, 120, 40); Average Frog Size in Pond 2 = (80 * 1 + 120 * 3 + 40 * 4) / (1 + 3 + 4) = 75; Relative Size of (A’, B’, C’) = (80/75, 120/75, 40/75) ≈ (1.07, 1.60, 0.53);
23
quantitatively, it is necessary to introduce further assumptions. A simple assumption commonly used is that
“the unequal portion” of top-down influence can be removed by converting the value of a variable to a
value relative to its group average (e.g., the average size of all the frogs in Pond 1) (Klein et al. 1994).
Afterward, such phenomena can be specified and quantitatively examined similar to analyzing single-level
models. For example, a frog’s size can be replaced by a size calculated as its size relative to the average size
of all frogs in the same pond; this computed relative size can then be used to predict its survival chances.
This treatment assumes pond boundaries would be eliminated as if all the frogs in Pond 1 and Pond 2 were
in one hypothetical pond. The converted size of frogs can predict their survival chances (“Relative Size” in
Figure 3).
For example, a member’s influence on a group decision to adopt IT may depend partly on the member’s
relative status within the group based on things such as educational attainment or experience using IT, as
compared with the group average (Sarker and Valacich 2010). Higher-status group members’ influence will
be less affected by their group membership, because they retain high influence after joining the group. In
contrast, for group members with relatively lower status, their influence might reduce significantly because
of their group membership. Consider another example: Resource-Based View (RBV) can be interpreted as
a model where the frog-pond effect applies to both independent and dependent variables. RBV explains
how diverse firm resources generate sustained competitive advantage (Barney 1991). Rarity of resource is
important: the value of a resource depends on its total amount possessed by all the firms in the same
industry. One central proposition in RBV is that rarer resources possessed by a firm – rare relative to the
average of the amount of resources possessed by all the firms in the same industry – may generate super-
normal firm performance – higher performance relative to the firm’s industry average performance.
Other assumptions can be used for quantitatively analyzing Type II effect. Extending Resource-Based
View, Relational View can further explain how strategic alliance networks can promote sustained
competitive advantage (Gulati 1998; Dyer and Singh 1998). According to Relational View, a firm with a
better structural position within its strategic alliance network may gain greater sustained competitive
24
advantage. Quantification of such a structural position within a strategic alliance network may rely on
social network measures (see Newman 2003). Calculating the exact value of a firm’s strategic position
relative to its embedded alliance network requires a chain of complicated mathematical operations. Given
this added complexity, whether the underlying rationale of the calculation can appropriately capture the
phenomenon under examination may become difficult to assess.
It is noteworthy that conversion from Type II effect to an “ostensibly single-level” model is mainly to assist
in quantitative description of phenomena; it never changes the multilevel nature of Type II effect. Such a
process can be illustrated with the following equation:
𝑋!! = 𝑓! 𝑋!,𝑋!,… ,𝑋!
𝑋! is the value of a variable X for an individual i. N is the total number of individuals in a group. 𝑋!! is the
value of variable X for individual i relative to the values of variable X for all the individuals in the group
(i.e., 𝑋!,𝑋!,… ,𝑋!). The conversion function 𝑓! relates specifically to individual i. If subtracting the average
of a group is considered an appropriate representation, the equation reduces to
𝑋!! = 𝑋! − 𝑋!
!
!
/𝑁 = 𝑋! − 𝑋!
where 𝑋! is group average for variable X (i.e., the simplest treatment as described by previous authors [e.g.,
Klein et al. 1994]). Further, some multilevel theorists regard Xi – Xg as at a distinctive level, separate from
either the lower (to which Xi relates) or the higher level (to which Xg relates) (Kozlowski and Klein 2000).
The frog-pond effect instantiates one possible scenario of the first variant of Type II effect. In particular,
the frog-pond effect captures the scenario where top-down influences unequally affect an independent
variable; in contrast, top-down influences may also unequally affect a dependent variable6. Consider
6 Although the distinction between targeting an independent variable and targeting a dependent variable
could be applied to other types of effect, the distinction is made only for Type II and Type IV effects. One
reason is to accommodate multilevel effects that have been examined in the existing literature (i.e., “frog-
25
another scenario where members of a group have various levels of sensitivity to the influence of group
norms: longer-term members may be more inclined to follow group norms, whereas shorter-term members
may be less affected by group norms. Given the difference in the sensitivity to group norms, a group norm
(e.g., “reinforcing the value of working hard” vs. “encouraging a balance between work and life”) may
unequally affect group member’s productivity at the individual level. Hence, the causal relation from group
norm at a higher level to productivity at a lower level depends on the seniority or “location” of an
individual member within a group (which cannot be characterized by frog-pond effect). In other words,
such a causal relation is a function of i, where the parameter i specifies the individual member i.
Where the top-down effect is targeted at a lower-level relation, the second variant of Type II effect may be
relevant. For example, a student’s academic performance relative to their class may increase the student’s
confidence and may further influence the student’s learning efficiency. Hence, the relationship between a
student’s time spent in learning and the student’s future performance may be moderated by the student’s
current academic performance relative to their class. Similar to the first variant, this variant needs to
identify some “position” or “relative status” related variables. The difference is that the researcher should
focus on analyzing how those variables might moderate lower-level relationships (rather than directly
affecting other variables).
Similarly, the earlier scenario of “top-down, unequal causal influence” may also be targeted at a lower-level
relation. For example, group norm may unequally influence the extent to which a person’s frequency of
using IT affects the person’s work performance. Namely, the “power” or “effectiveness” of group norm on
individual members of a group depends on a member’s particular circumstance.
Type III: Top-Down, Combined-, Equally Distributed Effects
Type I and Type II effects both focus on analyzing “mono-effect” where every kind of top-down influence
can be independently examined. However, there might be “combined-effect” where this precondition of pond effect”). Another reason is that we consider this distinction as a minor one when it is applied to other
types of effect.
26
independence is violated. To understand “mono-effect” versus “combined-effect” (see the third column of
Table 4), consider the effects of group culture and group size on individual performance. Assume group
culture and group size would promote individual performance only when the values of group culture and
group size are between medium and strong and between medium and large respectively (see Table 7). In
this case, it makes theoretical sense to analyze their combined-effect rather than analyze them separately.
In contrast, if such interaction is absent, and either group size or group culture or both influence individual
performance separately, the effects should be analyzed as mono-effects.
Table 7. Example of Combined-Effect due to Interaction between Group Culture and Group Size
Group Size
Large Medium Small
Group Culture
Strong Promoting Individual Performance
Effect Absent Medium Effect Absent
Weak Effect Absent Effect Absent Effect Absent
Another example of a top-down mono-effect is that the higher quality of an organization’s email system
may improve proficiency in communication of all its employees. Organizational culture may also affect
employees’ communication proficiency. Regardless, if organizational culture does not influence how the
email system might improve communication proficiency, the effect of the organizational email system on
communication proficiency should still be analyzed as a mono-effect.
Thus, top-down effects are characterized as mono-effect when a higher-level entity produces one or a
similar kind of influence on its lower-level entities; or when a higher-level entity produces multiple kinds of
influence on its lower-level entities and each of these kinds can have an independent effect irrespective of
the presence of all the other kinds. Top-down effects should be characterized as combined-effect, when
such influence or contribution consists of multiple kinds and these kinds interact and combine to effect.
Where there are multiple top-down, mono-effects or combined-effects in a single study, they should be
independently analyzed one by one.
Although the extent of mono-effects or combined-effects can be empirically tested, we suggest that before
committing to combined-effects researchers should have a strong theoretical explanation to justify the
27
presence of interaction; theory construction should be guided by interesting theoretical explanations, not by
theory testing (Weick 1989). For example, one such explanation might be that the influence of
organizational culture on the relationship between group system adoption and group performance may be
different for firms of various sizes. Organizational culture represents the core values and beliefs of an
organization, which are translated into organizational policies and routines. Organizational culture might
differ from one organization to another: there might be an “enhancing” culture where employees are often
inclined to follow the guidance of top management (i.e., culture is “strong”), a “chameleon” culture where
employees quickly adapt to the culture of the organizational unit assigned (i.e., culture is “medium”), or a
“countercultural” culture where employees are emotionally unrelated to the core values and beliefs of their
own organization (i.e., culture is “weak”) (Ravishankar et al. 2011). Further, for larger firms organizational
policies and routines may be designed to be more consistent with organizational culture and therefore
organizational culture may have a stronger influence on the relationship between group system adoption
and group performance, whereas for small to medium firms organizational policies and routines may not
comprehensively cover all aspects of employees’ organizational life and therefore the interaction effect
between organizational culture and organizational size may be less significant. Given this theoretical
explanation, omitting organizational size when studying how organizational culture affects a lower-level
relation, or, conversely, omitting organizational culture when studying how organizational size affects a
lower-level relation may lead to an incomplete understanding.
Researchers should consider Type III effect when simultaneously analyzing multiple kinds of top-down
influence. More specifically, one should consider Type III effect instead of Type I effect, if and only if the
multiple kinds of top-down effects cannot be separately analyzed; or, such effects cannot be decomposed
into multiple Type I effects. This scenario exists when interaction occurs; the differences between Type I
and Type III are illustrated in Figure 4.
28
Figure 4. Distinction between Type I Effect and Type III Effect
Further, Type III effect is characterized as “equally distributed” in the sense that the magnitude or degree
of the combined effect applies equally to all the lower-level entities. This suggests that once the combined
effect is identified – denoted as 𝑓 𝑋!,𝑌! – the combination of multiple higher-level variables (e.g., group
culture 𝑋! and group size 𝑌!) can be regarded as a single higher-level variable [e.g., 𝑍! = 𝑓 𝑋!,𝑌! ] that
affects lower-level entities. The model can then be further specified in the form of Type I effect. Similar to
Type I effect, Type III effect can be targeted at a construct or a relationship; thus, Type III effect also has
two variants, both of which are similar to Type I effect, but take possible interaction effect into
consideration.
Type IV: Top-Down, Combined-, Unequally Distributed Effects
When analyzing multiple kinds of top-down influence, researchers should consider Type IV effect if the
combined effect of the multiple kinds of top-down influence does not apply equally to all the lower-level
entities within a grouping. Again, similar to the previous three types, Type IV effect can have two variants
depending on its target (a construct or a relationship). Also similar to Type II effect, both the “frog-pond
effect” scenario and the “top-down, unequal causal influence” scenario of Type IV effect exist. We briefly
discuss the “frog-pond effect” scenario.
Assume that a “center” of cohesiveness exists in a medium-to-large sized group, where some members are
core while others are relatively peripheral. It might be that the previous combined effect of group culture
and group size does not apply equally to every member, but, instead, gradually reduces its power from core
members to peripheral members. That is to say, for members near the “edge” of a group, high values of
both group culture and group size cannot promote their performance.
Higher-LevelEn.ty
Lower-LevelEn.ty
TypeIEffect(onekind)
TypeIEffect(twokinds)
TypeIIIEffect(twokindswithinterac.on)
29
It is clear that the analysis of “unequal distribution of top-down influence” for Type IV effect shares much
conceptual similarity with the analysis of Type II effect. Specific to Type IV effect is the need to examine
how multiple kinds of top-down influence interact and combine. The second task, similar to Type II effect,
is to articulate appropriate assumptions that can enable quantitative specification and subsequently to
specify the model similar to a form of single-level model. For example, we might use a new variable called
“relative culture-size”, which is defined by
𝐷! − 𝐷! ×𝑓 𝑋!,𝑌!
In this equation, 𝑓 𝑋!,𝑌! represents the “absolute” combined effect for group culture and group size (see
Table 7). 𝐷! denotes the “distance” to the center of a group for member i. 𝐷! denotes the distance from the
edge of a group to its center. When taking “unequal distribution” into consideration, we might submit:
relative culture-size may promote individual performance.
Source of Top-Down Effects
In ending this section on top-down effects, we note that Klein et al. (1994) urged researchers to consider
possible “sources” of multilevel phenomena. By “source”, they refer specifically to plausible, candidate
theoretical explanations. What sources of top-down effects exist in the IS discipline? There exist several
well-known top-down processes such as cultural influence and group norms on IT use behaviors (e.g., Rai
et al. 2009; Bock et al. 2005), as well as institutional influences such as top management support and size of
firm on IT implementation, IT project success, and IT acceptance. To consider different kinds of top-down
influence, the researcher can also think of diverse IT features. For example, where an integrated Enterprise
System is used, employees may need to use separate features such as planning and reporting functionality
for business analysis, and accounting functionality for managing financial resources. There are plenty of
opportunities for examining possible synergies or contradictions that may derive from using separate parts
of a larger system and investigating how such synergies or contradictions might affect individuals, work
groups, and departments.
30
Bottom-Up Effects
Bottom-up effects also have four generic types, each type having two variants; the two variants respectively
consider bottom-up effects that are targeted at a construct and a relationship. When analyzing bottom-up
effects, we draw primarily from Morgeson and Hofmann’s (1999) idea of the “structure” of “collective
constructs” and elaborate Kozlowski and Klein’s (2000) conceptual analysis of emergence. As argued by
Morgeson and Hofmann (1999), some phenomena about collectives (e.g., groups consisting of individual
members) may originate theoretically from cognitions, behavioral processes, or characteristics of their
lower-level counterparts. They call the conceptual abstraction of such phenomena “collective constructs.”
An example is group performance where the performance of a group may be constituted by the sum of
individual performances. The “structure” of a collective construct refers to “its lower-level ongoings and
events and the interaction of ongoings and events” that give rise to the collective construct (Morgeson and
Hofmann 1999).
Identification of bottom-up effects must make clear the structure of the collective construct (Morgeson and
Hofmann 1999). Put differently, it is only the conceptual articulation of a construct’s lower-level entities
and the interactions among its lower-level entities that can offer a legitimate foundation for theorizing or
conceptualizing bottom-up effects. Bottom-up effect describes “the manner in which lower-level properties
emerge to form collective phenomena” (Kozlowski and Klein 2000, p. 15).
Before identifying bottom-up effects, how do we know which two or more constructs at separate levels
could be theoretically linked by bottom-up effects? For instance, before knowing group performance is a
sum of individual performances, why should we analyze the relationship between group performance and
individual performance? Morgeson and Hofmann (1999) offered one suggestion. They refer to the function
of a construct as the outcome or consequence of the construct in its nomological network. For example,
both individual and group system usages can increase performance (Burton-Jones and Gallivan 2007). We
can thus say that individual and group system usages are functionally equivalent because they lead to the
same outcome in their nomological network. As argued by Morgeson and Hofmann (1999), if two
31
constructs are functionally equivalent, they may be theoretically linked through bottom-up effects. Given
the function of collective constructs can suggest potential relevance of constructs at separate levels, it can be
useful to consider the function of constructs before analyzing bottom-up effects. With regards to this issue,
Burton-Jones and Gallivan (2007) offered extensive guidelines on how to analyze and conceptualize system
usage at both individual and group levels.
Our analysis of bottom-up effects draws primarily from Morgeson and Hofmann (1999) and Kozlowski and
Klein (2000). In particular, Type V to Type VIII effects further elaborate the continuum of emergence
from compositional to compilational proposed by Kozlowski and Klein (2000). Compositional emergence is
based on an underlying model where “the type and amount of elemental content – the raw material of
emergence – are similar for all individuals in the collective,” whereas compilational emergence is based on
an underlying model where “either the amount or type of elemental content is different, or both the
amount and type are different” (p. 62) (see Figure 5).
Figure 5. Comparison between Compositional and Compilational Emergence
For example, consider a team of athletes standing in a line and passing basketballs from one end to the
other end. For compositional emergence, there is only one type or kind of task that is performed in a group
(e.g., passing basketballs). And every member of the group also contributes equal amount to the outcome of
the collective task (e.g., the number of basketballs passed within a period of time). In contrast, for
compilational emergence, there are multiple types or kinds of tasks that are performed in a group; or, there
is only one type or kind of task that is performed in a group, but group members contribute unequal
amounts to the outcome of the collective task. For example, where members of a team serve different roles
in a competition, the success or failure of the competition derives from a compilation emergence process
Composition Process
Emergence
Compilation Process (Amount Different)
Emergence
Compilation Process (Type Different)
Emergence
Compilation Process (Both Different)
Emergence
32
(i.e., type of contribution is different). Consider another example of compilation emergence where one task
is performed and the amounts of contribution are different. Where a natural group (i.e., selected from a
natural population) is instructed to try their best to move basketballs from one point to another point
(assuming there is no differentiation of roles), the total number of basketballs transferred within a period of
time by the group is likely contributed unequally by the group members. This is because in a natural
population there is often differential level of skill or fitness; therefore, it is likely that some members of the
group would transfer more basketballs than other members.
Kozlowski and Klein’s (2000) “type” and “amount” of elemental content are aligned with our notions of
“mono-effect versus combined-effect” and “equally distributed effect versus unequally distributed effect”.
In particular, the distinction between mono-effect and combined-effect applies similarly to bottom-up
effects. As example of a bottom-up combined-effect, a group’s decision performance might be influenced
by multiple kinds of lower-level factors such as members’ communication or interaction style, and their
individual work performance. If different communication styles differentially influence the effectiveness of
individual member’s work performance on the group’s decision performance, this effect is better analyzed
as a bottom-up combined-effect. Bottom-up effects should be characterized as mono-effect when lower-
level entities make one or a similar kind of elementary contribution to their higher-level entity; or when
lower-level entities make multiple kinds of elementary contribution to their higher-level entity and each of
these kinds can have an independent effect irrespective of the presence of all the other kinds. Bottom-up
effects should be characterized as combined-effect, when such contribution consists of multiple kinds and
these kinds interact and combine to effect. Where there are multiple bottom-up mono-effects or combined-
effects in a single study, they should be independently analyzed one by one.
Moreover, the distinction between equal and unequal distribution also applies similarly to bottom-up
effects. Bottom-up effects should be characterized as equally distributed if the bottom-up contributions are
the same or similar in amount from the lower-level entities; otherwise, such bottom-up effects should be
characterized as unequally distributed.
33
Type V: Bottom-Up, Mono-, Equally Distributed Effects
Type V effect is the simplest form of bottom-up effects. Researchers should consider Type V effect when
analyzing one kind of bottom-up elementary contribution and anticipating that this kind is contributed
equally in magnitude by the lower-level entities. Like equal or unequal distribution of top-down influence,
equal or unequal distribution of bottom-up contribution does not suggest that the values of the construct of
the focal entities within a group must be similar or different. Further, researchers should consider the first
variant of Type V effect if the bottom-up contribution is also targeted at a higher-level construct. An
example is the formation or dissolution of a virtual community (Ransbotham and Kane 2011). Arguably, if
every member of the community is equally important, a member’s action to join or leave the community
should contribute equally to the community size.
Notably, for Type V effect, only the effective parts of bottom-up contributions count. For example, only the
slowest member within a team limits the total time required for the team to trek through a jungle, although
members’ capabilities may differ. While some members may trek relatively faster, not all of their efforts are
effectively used; only the parts that equal to the contributions devoted by the slowest member are effectively
contributing to the team outcome as a whole.
Type V effect encompasses what Kozlowski and Klein (2000) called “a shared unit property”. The values
of a lower-level construct for members of a group may converge to a single value describing a higher-level
construct; such a higher-level construct is called “a shared unit property”. Common examples include a
collective’s attitudes and opinions. Members of a group may have their own attitudes toward accepting IT
(e.g., Sarker and Valacich 2010; Kang et al. 2012). Where their attitudes are highly consistent (e.g., all
strongly agree or strongly disagree), it may be appropriate to use the consensual value of members’
attitudes to represent the value of a higher-level construct – for example, a group’s attitude toward IT
(Sarker and Valacich 2010). Hence, for a shared unit property, the value of the higher-level construct is
equivalent to (rather than a sum of) the value of the lower-level construct.
The distinction between “targeting a construct” and “targeting a relation” also applies to bottom-up effects.
34
One or more lower-level constructs might emerge at a higher level, contributing to a higher-level construct
or affecting a higher-level relation. For example, group culture (a higher-level construct) might be a
composite of all the group members’ personal characteristics such as personalities and work habits (a lower-
level construct). The communication network of a team, which is comprised of members’ communication
preferences at the individual level (a lower-level construct), might influence the extent to which the team’s
adoption of decision support systems will increase the team’s decision efficiency (a higher-level relation).
As another example, rather than directly affect a group’s attitude toward IT, individual members’ attitudes
might emerge at the group level, affecting the extent to which the group’s use of IT will increase the
group’s performance. If members of a group unanimously accept IT, the group’s use of IT might more
strongly increase the group’s performance.
Notably, when members of a group have the same values regarding a construct, in many cases, what is
more important or theoretically intriguing is to consider the group as a whole and thereby to examine the
emergent higher-level construct or relation, because those lower-level members are identical regarding the
construct of interest. In fact, if this occurs, researchers do not have a good way to examine the lower-level
construct because the values of the construct do not vary within a group. Conversely, researchers often care
about the lower-level construct when the values of the construct do vary within a group and therefore may
consider the lower-level construct in the specification of multilevel effects (which are discussed in Type VI
effect and Type VIII effect).
Type VI: Bottom-Up, Mono-, Unequally Distributed Effects
When focusing on one kind of bottom-up contribution and this kind is contributed unequally in magnitude
by the lower-level entities, researchers should consider Type VI effect. The first variant is targeted at a
higher-level construct. The critical difference of this effect from Type V effect is that the bottom-up
contributions are unequal in amount according to some quantifiable assessment7. For example, when 7 Although equally distributed and unequally distributed bottom-up effects may need different aggregation
or measurement approaches, the distinction is drawn to analyze the quantitative differences of the bottom-
35
group members perform “additive tasks” such as making screws, the performance of the group may be a
sum of individual task performances. However, individual performances may vary due to the difference in
skill and experience (McGrath 1984). Moreover, an industry barrier that restricts new participants may
arise from the scarcity of resources held by the existing participants (e.g., bandwidth in a
telecommunication industry) (Porter 1998). The more valuable and more difficult to acquire the resources
are, the less likely the barrier will be overcome. Since existing industry participants may have different
portions of such resources, their contributions to the industry barrier will likely vary quantitatively.
For Type VI effect, a higher-level construct may be a sum of a lower-level construct (e.g., addition of
individual work performance) or may capture a pattern of a lower-level construct. For example, the IS use
of a group may be represented as a pattern of the members’ frequencies of using IS (Burton-Jones and
Gallivan 2007). Table 8 illustrates various situations of Type VI effect, contrasted with Type V effect.
up contributions between different phenomena, rather than to typify aggregation approaches. For instance,
“an additive [aggregation] model” suggested by Chan (1998) may be applied to both Type V and Type VI
effects (e.g., see the previous example of “the size of a community”). Further, it is important to differentiate
phenomena based on their theoretical nature (e.g., are the bottom-up contributions equally distributed or
unequally distributed among members of a group), instead of aggregation approaches. Given there are no
universal ways to measure “bottom-up equal effects” versus “bottom-up unequal effects”, we recommend
researchers to describe the quantitative similarity or difference of bottom-up contributions among members
of a group, and to use their judgment in deciding the appropriate measurement approach for a particular
empirical setting.
36
Table 8. Comparison between Type V Effect and Type VI Effect
Type V Effect Type VI Effect
Example (1) Task Performance (2) Shared Attitude (3) Task Performance (4) Majority Attitude (5) Patterned Usage
Level 2
Level 1
The conceptual relationship between lower-level and higher-level constructs can be represented using more
complex combination rules such as social network measures. For instance, to conceptualize a group’s IS
avoidance, Kane and Labianca (2011) aggregated IS avoidance values of the group’s members. In the
aggregation, members’ IS avoidance values are weighted by their “centrality”, which assesses a person’s
closeness to the center of the communication network of the group. The ties in a communication network
represent interpersonal communication. The rationale is that if a person is more central in terms of
communicating to more members or more frequently, the person’s IS avoidance behavior should be more
representative of the group and therefore should have a greater weight.
Researchers should consider the second variant of Type VI effect, if lower-level contributions emerge at a
higher level, affecting the occurrence or magnitude of a higher-level relationship. For example, a group’s
majority attitude or the attitude of the group’s opinion leader toward adopting IT might emerge at the
group level to affect the causal relationship between the group’s IT usage frequency and the group’s work
performance.
Type VII: Bottom-Up, Combined-, Equally Distributed Effects
Type VII effect should be considered when a higher-level construct is affected by multiple kinds of lower-
level elementary contributions and each kind of contribution comes equally from all the lower-level entities;
and these kinds of elementary contributions interact and combine to affect higher-level entities.
Consider the first variant of Type VII effect, which is targeted at a higher-level construct. It is common for
members of an IT project team to work on different but interconnected modules of a larger IT system.
Observations
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37
Group research suggests that team members may need to share a common knowledge background such as
programming language and program design patterns in order to collaborate effectively. Communication
research further suggests that communication skills such as verbal communication skill and the skill in using
formal language to represent complex notions may also influence the efficiency of team collaboration.
Although team members may have differing extent of expertise or communication skill, it is only the
overlapping knowledge and the minimum level of communication skill of a team that can contribute to its
cooperative capability (see Table 9). This is because for highly cooperative tasks only the shared part of
knowledge background may actually get used and the efficiency for transmitting messages across an entire
group depends on the person who has the poorest communication skill. Further, knowledge background
and communication skill can be complementary, because greater communication skill can facilitate
knowledge sharing and a larger set of overlapping knowledge can make communication tasks simpler by
reducing the amount of information communicated. Hence, group cooperative capability can be a fit
between a team’s shared knowledge background and minimum communication skill.
Table 9. Example of Type VII Effect
Level 2: Group Cooperative Capability (as a match between shared knowledge and minimum communication skill)
Level 1: Individual Knowledge Background and Individual Communication Skill (because only shared or minimum parts are effectively contributing to a higher level, the contributions are equally distributed for a particular kind.)
Researchers should consider the second variant of Type VII effect, if lower-level contributions emerge at a
higher level, affecting the occurrence or magnitude of a higher-level relationship. In the previous example,
rather than contribute directly to the team’s cooperative capability, members’ knowledge background and
communication skill might emerge to moderate the causal relationship between the number of members in
the team and the work performance of the team. In other words, allocating more human resources to the
Knowledge Background
Shared
Communication Skill
Minimum
Shared Knowledge
Minimum Communication Skill
Cooperative Capability
Low
Low
Low
High
Knowledge Background
Shared
Communication Skill
Minimum
Shared Knowledge
Minimum Communication Skill
Cooperative Capability
Low
Low
Low
High
Knowledge Background
Shared
Communication Skill
Minimum
Shared Knowledge
Minimum Communication Skill
Cooperative Capability
Low
Low
Low
High
38
IT project will increase the team’s performance if and only if the team’s shared knowledge background fit
its minimum communication skill.
Type VIII: Bottom-Up, Combined-, Unequally Distributed Effects
When focusing on multiple kinds of bottom-up contributions and each kind is also contributed unequally
by the lower-level entities, researchers should consider Type VIII effect. Similar to Type VII effect, these
kinds of elementary contributions are also expected to interact and combine in some way.
Consider the first variant of Type VIII effect, which is targeted at a higher-level construct. Group
performance may result from a combination of different types of tasks; for each type of task, individual
performances may vary significantly. For instance, team members of an IT project may perform additive
tasks, the outcomes of which can be aggregated (such as programming), and problem-solving (non-additive)
tasks, the process and outcome of which cannot be separated (such as collectively thinking about novel
solutions for a new problem encountered). Given individual differences, members’ performances on either
task may vary.
Given the complexities involved in capturing such underlying emergence process, there is no well-accepted
solution for Type VIII effect. Ideally, the conceptualization of Type VIII effect needs to consider the real
coordination process in which the temporal patterns of different types of tasks and the interaction among
group members are considered. Burton-Jones and Gallivan (2007) pointed to the relevance of considering
the timing and temporal patterns of system usage behaviors in conceptualizing group usage. These aspects
may help researchers construct appropriate measurement models to specify Type VIII effect. Furthermore,
insights from qualitative research and theory about collective behaviors such as coordination theory may be
used to construct measurement models of Type VIII effect.
Researchers should consider the second variant of Type VIII effect, if lower-level contributions emerge at a
higher level, affecting the occurrence or magnitude of a higher-level relationship. For example, a group’s
communication network may moderate the relationship between the group’s IT usage and the group’s
work performance. This communication network may emerge from an integration of two kinds of network
39
structures: the group’s personal communication network (e.g., face-to-face meetings and casual contacts)
and the group’s email communication network. Because each individual possesses a unique position in a
network, the contributions of individual members to the network structure are also quantitatively different.
Hence, the contributions from individual group members to the group’s communication network are
different in both kind and amount.
It is worthwhile to discuss the notion of “configural unit properties”, given it has been espoused in several
IS studies (e.g., Kane and Borgatti 2011; Kane and Libianca 2011). The term “configural unit property”
used by Kozlowski and Klein (2000) refers to a higher-level construct (or, a construct regarding a collective
of individuals) that is contributed by different kinds of lower-level contributions, or the same kind but
different amounts of lower-level contributions. Thus, configural unit properties are formed often due to one
or more of the effects from Type VI to Type VIII, and they capture an “array, pattern, or configuration of
individuals’ characteristics within a unit” (Kozlowski and Klein 2000, p. 30) such as some stable pattern of
system usage frequency as in Type VI effect, a group’s cooperative capability that represents a combination
of diverse group knowledge and skills as in Type VII effect, and a group’s communication network
structure as in Type VIII effect.
It is also useful to compare and contrast configural unit properties with frog-pond effects. Both configural
unit properties and frog-pond effects are used to capture certain “differences” of the members of a group.
They both deal with the scenario where members of a group need to be conceptualized as dissimilar for
some justifiable reasons, instead of assuming that members of a group are similar or converge over time.
However, the two different effects have critical differences. First, their origins are quite different. Configural
unit properties exist because of bottom-up contributions by constructs at a lower level, whereas frog-pond
effects exist because of influences from a higher level. And for frog-pond effects, it is not always clear which
construct at a higher level caused frog-pond effects; we may know the importance of “relative size”, but
may not know which higher-level construct(s) made “relative size” more important than “absolute size”.
Second, frog-pond effects characterize only an instance of the scenarios where top-down influences are
40
unequal in amount to lower-level members of a group; in contrast, configural properties characterize both
the scenario where bottom-up contributions are unequal in amount from lower-level members of a group
and the scenario where bottom-up contributions have multiple kinds interacting and combining to effect.
Source of Bottom-Up Effects
What are the sources of bottom-up effects in the IS discipline? Because many phenomena in IS are studied
at an individual level and some are studied at a group level, there exist many opportunities to use these
studies to examine their emergent, higher-level counterparts. For example, individual IT implementation,
adoption, usage, and continued usage may provide potential opportunities for examining how these
individual behaviors emerge at a group, departmental, or organizational level.
Null Type
Is top-down or bottom-up effect always relevant? If a higher-level entity does not affect a lower-level entity
or conversely a higher-level entity does not originate from a lower level, top-down or bottom-up effect may
be absent. We refer to these two situations as Null types.
The top-down Null type is called “individuals free of group influence” by Klein et al. (1994). Higher-level
membership (e.g., group, departmental, and organizational membership) may barely affect constructs or
relationships at a lower level. For example, employees’ negative affectivity and managers’ early career
progress are not affected by their organizational membership (Klein et al. 1994).
Lower-level entities may have little contribution to a higher-level entity; or, such contribution is not clearly
identifiable. Kozlowski and Klein (2000) designated the term “global unit properties” to refer to constructs
that both originate at and manifest at the collective level. These constructs usually entail objective and
descriptive measures and do not manifest obvious lower-level origins. An example is group size, which
describes a group, but does not have lower-level emergent processes or properties. For group functions such
as marketing and purchasing, how individual members’ functions are combined and emerge at a group
level may not be clearly identifiable; group functions may thus be regarded as having no lower-level origin.
41
Summary of Typology
The typology classifies diverse types of top-down and bottom-up effects along two dimensions: (i) mono-
versus combined-effect and (ii) equal versus unequal distribution. Top-down or bottom-up effects can be
characterized by one or multiple of the four types, based on the distinction made between mono-effect and
combined-effect and the distinction between equal distribution and unequal distribution. Each type of top-
down or bottom-up effect has two variants according to its target. Taken together, theorizing with zoom-
out and zoom-in strategies should thus consider at least 16 archetypes of multilevel model (2×2×2×2).
Ignoring any distinction drawn here would not exhaustively consider all possible multilevel models.
Undoubtedly, no matter how granular the distinctions of multilevel effects are, finer distinctions are always
possible. Although the typology proposed herein is intended to encompass all multilevel effects described in
the existing literature, researchers may encounter multilevel phenomena that belong to a special instance of
a multilevel effect in the typology or that are not covered in the typology. If this occurs, researchers need to
appropriate the ideas here for new scenarios encountered or to extend the typology toward a broader range
of multilevel phenomena.
Note that the distinction between “mono-effect” and “combined-effect” herein is similar to the distinction
between “direct effect” and “interaction effect” in the statistical analysis of single-level models. We did not
adopt the labels “direct effect” and “interaction effect” to avoid possible confusion. The term “direct effect”
is also used by Kozlowski and Klein (2000) to refer to models that include a causal relationship that begins
from a higher-level variable and is targeted at a lower-level variable. The term “combined-effect” defined
herein refers specifically to a subset of “interaction effects” – namely, only cross-level relationships.
Notably, although the decision to analyze mono-effect or combined-effect depends mainly upon the nature
of the phenomenon, a phenomenon may include both mono- and combined-effects. Researchers thus need
to decide further on which aspects of the phenomenon to focus. If a problem domain is relatively nascent,
immature, or under-explored, the researcher may opt to study mono-effects by focusing solely on one kind
of top-down influence or bottom-up contribution. For example, researchers may study how individual use
42
of spreadsheet software might emerge at a group level thereby increasing the group’s work productivity, or
how individual use of an email system might form a pattern at a group level thereby improving the group’s
communication efficiency (Burton-Jones and Gallivan 2007). If a problem domain has matured to a point
where isolated kinds of top-down influence or bottom-up contribution are conclusively examined, the
researcher may consider analyzing combined-effects. For example, researchers may study how a group
attitude (e.g., skeptical, resistant to change, and thus inclined to maintain existing technologies vs. proactive
and positive toward creativities and novel technologies) might form as a result of both the attitudes of a few
elite members and the consensual attitude of majority; or how diverse features or functions of Enterprise
Systems (e.g., operational features vs. strategic features) might be used together to improve organizational
performance.
Furthermore, pure equal versus unequal distributions (a dichotomy) are arguably rare in empirical studies;
there is more likely a degree of equal or unequal distribution. It follows that researchers usually need to
devise a threshold to distinguish equal distribution and unequal distribution in empirical studies. However,
there is no standard threshold or simple way to make such a decision; researchers need to exercise their
best judgment and full discretion based on theoretical and empirical considerations (Burton-Jones and
Gallivan 2007; Kozlowski and Klein 2000).
A further point deserves some clarification. Although we used the term “effects” to encompass both “top-
down influences” and “bottom-up contributions”, they have critical differences. In particular, top-down
influences characterize cross-level, causal relationships. In contrast, bottom-up effect types characterize
“structural relationships” that link a higher-level construct to its lower-level counterparts – for example,
how group work performance is composed of work performances of individual group members. Where a
higher-level construct is not directly observable, such structural relationships may be used to operationalize
the higher-level construct, through observing the values of its structurally linked lower-level variable.
Alternative Conceptualizations
Researchers should also be attentive to possible alternative conceptualizations of phenomena (Klein et al.
43
1994). Although different types of top-down and bottom-up effect are separately analyzed, it is possible to
include multiple types in a specific context (e.g., Burton-Jones and Gallivan 2007). Furthermore,
distinguishing one type from another is not always straightforward. Researchers need to justify their choices
both theoretically and empirically. It can also be useful to present all the meaningful conceptualizations and
comparatively examine each. In doing so, researchers may be able to refine their thinking, spark creativity
for preferred choices, or generate new research questions for future investigation (Klein et al. 1994).
Implications for Information Systems Research
Multilevel theorizing is primarily driven by the desire to characterize phenomena with richer explanation
and more realistic representation. Information systems research encompasses a diversity of often isolated,
but increasingly complex research topics. We believe multilevel theorizing can offer IS researchers many
unexplored opportunities for dealing with these research topics. The proposed framework seeks to help IS
researchers better leverage such opportunities.
In particular, a single research domain, such as studies that investigate the success or effectiveness of IT, is
often examined at separate levels of analysis (Petter et al. 2008; Seddon et al. 1999). Researchers may use
the framework in this paper to develop novel theoretical insights through linking fragmented pieces of
studies within a single research domain. For example, researchers may investigate whether or how increase
in individual productivity after implementing IT might lead to increase in performance at the departmental
level as well as the organizational level. And what factors might affect the emergence of individual-level IS
success? Further, for separate research domains, researchers may also explore how diverse areas of studies
at separate levels might inform understandings of the focal phenomenon. For example, researchers may
examine how organizational structures and governance policies might affect IT implementation success or
individual IT use behaviors after adoption of IT. Researchers may also explore how individual interactions
within a team might emerge to affect the performance of using healthcare systems or business intelligence
systems at the team level and at the organizational level. Although IS phenomena usually span multiple
levels of analysis, many of such multilevel research questions have never been answered or explored in the
44
IS discipline. This opens a great range of opportunities for entering into an untapped domain of multilevel
phenomena.
Conclusions
Admittedly, multilevel theorizing is a broad subject. Our discussion in this paper is limited in several ways.
First of all, we adopted a positivist view. Although this is largely consistent with previous authors in this field
(e.g., Burton-Jones and Gallivan 2007; Kozlowski and Klein 2000), multilevel theorizing is not
incompatible with other schools of philosophical view. Furthermore, we did not address unique challenges
that may arise from qualitative approaches to multilevel theorizing. Nonetheless, we argue that the
framework developed in this paper has general value to both quantitative and qualitative researchers.
Theorizing or analyzing phenomenon quantitatively may also help qualitative researchers deepen their
understanding of phenomenon, even if they may not quantitatively test their model in empirical settings.
For instance, researchers who follow qualitative approaches also need to use conceptual frameworks to
make sense of empirical settings or to organize qualitative evidence (e.g., Lapointe and Rivard 2005).
Lastly, multilevel theory development is an emerging field. Given existing tools or statistical techniques deal
mainly with linear modeling of phenomena, complex models of multilevel phenomena can be challenging
to analyze or test. Our efforts to conceptualize diverse forms of multilevel phenomena only make some first
steps toward a comprehensive solution. There is need for future research to address how to analyze and test
ever-increasingly complex types of multilevel phenomena.
Acknowledgments
We sincerely thank the senior editor and the two anonymous reviewers for their insightful and constructive
comments. This paper derives from the first author’s doctoral dissertation; we would like to thank the two
dissertation examiners, Kalle Lyytinen and Andrew Burton-Jones, for helping the authors refine the ideas
presented in the paper. We also thank Joerg Evermann for commenting on an earlier version of this paper.
This research is financially supported by Australian Research Council (ARC) Discovery Project Grant
45
titled Towards Engineering Research Systems: Systematic Modeling of Behavioural Scientific
Research Methods (DP150101022). We thank Karen Stark for research assistance. Errors are solely ours.
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A1
Appendix A. List of Concepts in a Multilevel Perspective
The notion of level is central in a multilevel perspective (Rousseau 1985). Miller (1978) defines levels as
qualitatively distinguishable entities of a system, such as cells, organs, individuals, and societies. Levels can
be conceptualized differentially for particular study purposes and they are often embedded in certain
larger, higher-order systems, such as individual levels, group levels, and organizational levels embedded
within a societal system (Kozlowski and Klein 2000).
Organizational researchers differentiate three “types” (as opposed to instances) of levels for methodological
consideration, including “the level of construct”, “the level of measurement”, and “the level of
statistical analysis” (e.g., Kozlowski and Klein 2000). Kozlowski and Klein (2000, p. 27) referred to
“the level of construct” as “the level at which it [the construct] is hypothesized to be manifest in a given
theoretical model.” Rousseau (1985, p. 4) defined the level of construct as “the focal unit to which
generalizations are made.” Instead of “level of construct”, some also prefer to use “level of theory” to
refer to the level at which the proposed theory is manifested (e.g., Klein et al. 1994). Given that theory can
include multiple constructs, the level of theory for a particular multilevel theory may point to more than
one level (Kozlowski and Klein 2000). Level of measurement and level of statistical analysis are related to
theory testing; they are not addressed in this paper.
As conventionally used in the IS and the management literature (e.g., Lapointe and Rivard 2005; Drazin et
al. 1999), level of analysis often refers to “level of construct” as used by multilevel theorists such as
Kozlowski and Klein (2000) and Rousseau (1985). Another term that deserves clarification is “unit of
analysis”. Some equate unit of analysis with level of analysis (e.g., Petter et al. 2008), whereas others use
“unit of analysis” in a slightly different sense, referring to the subject of a study (e.g., Yin 1994).
Some researchers differentiate theory and models, arguing that models are simplistic representations of
theory, whereas theory typically includes more substance and detailed explanations than models (e.g.,
Kozlowski and Klein 2000). Multilevel theory thus refers to theory that “entail(s) more than one level of
A2
conceptualization [of constructs] and [statistical] analysis” (Kozlowski and Klein 2000, p. 79). A necessary
condition for theory to be multilevel is that it includes theoretical constructs that manifest at multiple levels.
A multilevel model refers to specification of the relationships among the constructs in a given multilevel
theory (Kozlowski and Klein 2000). This definition is broader than Rousseau’s (1985) notion of “multilevel
model”, which refers more specifically to a type of model with functionally equivalent relationships among
constructs at multiple levels of analysis (Burton-Jones and Gallivan 2007; Kozlowski and Klein 2000). A
cluster of terms is used to differentiate types of multilevel models (e.g., Kozlowski and Klein 2000;
Rousseau 1985; Chan 1998; House et al. 1995; Klein et al. 1994). These types of models differ in terms of
criteria such as “whether there is a causal relationship across levels”.
Development of multilevel theory differs from multilevel analysis. Multilevel analysis refers more
narrowly to statistical analysis of hierarchical data for theory testing (Kozlowski and Klein 2000). Multilevel
analysis employs statistical techniques such as Hierarchical Linear Modeling (Hofmann and Gavin 1998).
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A3
and Analysis. Academy of Management Review 19(2) 195–229.
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