The use of online digital resources and educational digital libraries in higher education

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    Int J Digit Libr

    DOI 10.1007/s00799-008-0036-y

    R E G U L A R PA P E R

    The use of online digital resources and educational digital librariesin higher education

    Flora McMartin Ellen Iverson Alan Wolf

    Joshua Morrill Glenda Morgan Cathryn Manduca

    Springer-Verlag 2008

    Abstract This paper summarizes results from a national

    survey of 4,678 respondents, representing 119 institutions ofhigher education in the United States regarding their use of

    digital resources for scholarly purposes. This paper presents

    the following results: (1) demographics commonly used in

    higher education to categorize populations such as institu-

    tion type or level of teaching experience could not reliably

    predict use of online digital resources, (2) valuing online

    digital resources corresponds with only higher levels of use

    for certain types of digital resources, (3) lack of time was a

    significant barrier to use of materials while, paradoxically,

    respondents indicated that they used them because they save

    time, (4) respondents did not tend to intentionally look to the

    Internet as a trusted resource for learning about teaching.

    Keywords Digital library Education User study

    1 Introduction

    This article summarizes aggregate and summary results

    from a national survey of higher education instructors in the

    F. McMartin (B)

    Broad-based Knowledge, Richmond, CA, USA

    e-mail: [email protected]

    E. Iverson C. Manduca

    Carleton College, Northfield, MN, USA

    A. Wolf

    University of WisconsinMadison, Madison, WI, USA

    J. Morrill

    Morrill Solutions, Madison, WI, USA

    G. Morgan

    George Mason University, Fairfax, VA, USA

    United States aimed at understanding the uses, motivations,

    and barriers surrounding faculty members and instructorsuse of educational digital libraries.1

    In addition, it examines discovery and use of educational

    digital resources within the context of the growing desire on

    the part of faculty members and instructors to use them, and

    an increasing difficulty in their ability to find, access and

    use them. The National Science Education Digital Library

    (NSDL) aptly described the situation faculty members and

    instructors face:

    The rapid acceleration of information available via the

    internet makes locating high-quality, accurate,and truly

    useful educational resources challenging for teachersand learners. Educators, in particular, need efficient

    and reliable methods to discover and use science and

    math materials that will help them meet the demands

    of instruction, assessment, and professional develop-

    ment. [39]

    A growing movement is evolving to address the needs of

    faculty members and instructors wishing to find and use

    online digital materials. Since the mid 1990s the National

    1 For the purposes of this discussion we use the term digital library

    broadly, aligning our view with that of the Lynch and Garcia-Molinadefinition: [digital libraries are] systems providing a community of

    users with coherent access to a large, organized repository of infor-

    mation and knowledge [31]. This definition is sufficiently broad to

    include collections that formally identify themselves as digital libraries

    (i.e., the National Engineering Education Digital Library or NEEDS

    The National Engineering Education Digital Library), those that are

    associated within the Open Educational Resource movement (e.g.,

    OpenCourseWare sites such as MIT or Utah State University) or are

    campus-supported repositories or members of multi-campus consortia.

    According to this definition, commercial entities may also be a collec-

    tion, for example, JSTOR and the growing collection of materials held

    in the iTunes University website sponsored by Apple.

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    F. McMartin et al.

    Science Foundation (NSF) has devoted over 150 million

    dollars to support this effort, particularly for the purposes

    of improving STEM education at all educational levels. In

    addition to the NSF, private foundations such as Andrew

    W. Mellon Foundation and the William and Flora Hewlett

    Foundation have expended hundreds of millions of dollars in

    support of the Open Education Resource movement, which

    aims to provide open online access to online digital learningresources worldwide. This movement, led by the Open Cour-

    seware Consortium, has grown to over 120 members in less

    than 3 years [29]. Along with the development of such large

    projects, there are rising numbers of consortia of institutions

    and individual U.S. colleges and universities investing in the

    creation and support of local educational digital libraries

    and repositories in support of teaching and research. These

    local efforts, supported by projects like the DSpace Fede-

    ration [41] attest to the growing recognition that it will be

    necessary to support the development and use of online digi-

    tal resources in higher education.

    Questions about users and how they use digital materialshave become central given the high cost of the development

    and maintenance of educational digital libraries. This in turn

    has prompted discussions of sustainability models for these

    libraries [23,37]. To justify this investment, the actual use

    and impact of the contents of the educational digital libraries

    have become increasingly important to stakeholders. For all

    these reasons several questions have come to the fore: What

    do faculty members do with the online digital resources they

    find in educational digital libraries? Do faculty value these

    resources? How do they use them for teaching purposes?

    What arethe barriers to their useof both resourcesand educa-

    tional digital libraries? What, if any, meaningful differences

    are there between groups of users based on demographic

    variables?

    2 Prior work

    To date, research attempting to answer questions regarding

    the use of educational digital libraries by faculty members

    and instructors in higher education in the United States or

    internationally, has with a few exceptions, been relatively

    small in scale, consisting of case studies or surveys of users

    of individual libraries or small samples of non-users within

    a specific discipline.

    From the United Kingdom there is a growing body of lite-

    rature regarding digital repositories and collections, inclu-

    ding analyses of the ways that faculty and instructors use

    these services. These studies tend to focus on institutional

    repositories and the emphasis is on examining behaviors

    associated with contributing to repositories rather than loo-

    king at usage in teaching or more broadly in regards to aca-

    demic careers or workflows. In general terms, these studies

    found that there was less use of digital collections that might

    have been anticipated, but that use of repositories was posi-

    tively associated with the development of an e-learning stra-

    tegy on the part of the institution [7]. Respondents reported

    factors limiting their contributing behavior included,

    being concerned about copyright issues and whether or not

    the materials they find will work with other technologies,

    such as course management systems [44]. Peer review ofmaterials in a repository was seen as a positive motivational

    factor encouraging use [3,4]. These same issues were also

    identified by Uijtdehaage, et al. [46] study of medical school

    faculty in the United States.

    Other research has focused on the use of educational digi-

    tal libraries and collections. For the most part these have

    examined usage of a single collection or library and were

    associated with searching behavior rather than adoption or

    adaptation of materialsfor teaching or other professionalpur-

    poses. For example, Borgman [9] found that faculty mem-

    bers in geography at a large research university conducted

    logical, methodological searches for online teaching or lear-ning materials much like they do when conducting research

    in their disciplines. The faculty members in this study were

    more able to articulate search strategies for research purposes

    than for teaching purposes. In contrast, Changs 2004 survey

    [12] of post-secondary and K-12 educators who were regis-

    tered users of the Bioscience Education Network found that

    nearly a third of these respondents discovered the site from

    another web page and only 18% reported finding it through

    a search engine.

    When examining what users are seeking Manduca et al.

    [33] foundthat geosciencefaculty members preferred to learn

    about teaching within the context of the content they teach,

    and that their teaching behaviors were highly influenced by

    trusted colleagues. They confirmed their findings by compa-

    ring results from a small set of faculty members (8 interviews

    and 21 cognitive walkthroughs) using the web to search for

    teaching materials, to thefindings from a survey of 5,700 U.S.

    geoscience faculty members [32]. The evaluation of the MIT

    OpenCourseWare collection [11], while similar to the stu-

    dies described above, was a large research effort involving

    both surveys and interviews to learn more about the use of

    MIT-OCW materials. Unlike the educational digital library

    projects that hold primarily learning objects that address a

    single concept or set of concepts, the OCW site contains the

    artifacts associated with an individual course, e.g., the course

    syllabus, assignments, lecture slides, etc. By far, the majority

    of their users are self-described self learners (49%), 32% are

    students and 16% describe themselves as educators. 46% of

    the educators who used it reported reusing OCW materials

    by adopting or combining them with other materials. 26%

    reported using the OCW site for course planning purposes,

    to prepare to teach a class (22%) or to enhance their own

    personal knowledge about a subject or topic (19%).

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    Online digital resources and educational digital libraries

    Studies of the use of educational digital libraries and

    collections often evaluate the quantity of use and usability of

    particular libraries. These studies for example, within NSDL

    collections, have been conducted mainly for formative pur-

    poses and tend to be unpublished [5]. Additionally, many of

    these studies depended on usage statistics alone to address

    questions such as: how many unique visitors come to a site?

    What paths do visitors follow when exploring a site? Whatare the most popular times for visiting a site or what are the

    geographical locations of users [25,26,36]? While studies

    such as these hint at how the library is used they give very

    little insight into how the contents are used. Another relati-

    vely large set of usage studies is more generally associated

    with studies of user interface. These studies tend to examine

    how users interact with a site and have been conducted pri-

    marily to test the effectiveness of the site design [8,45,47].

    Other studies, well described in Bishop, Van House and

    Buttenfields examination of digital library evaluation prac-

    tices [8], tend to rely on the case study method and ethnogra-

    phic methods. While important additions to our knowledgeabout use of a specific educational digital library, these stu-

    dies provide limited insight into larger use patterns geogra-

    phically, or by type of user, e.g., faculty member, attorney,

    member of a political action group, etc. They do not add

    significantly to our understanding of their use by the profes-

    soriate in the U.S., nor to this populations knowledge about

    or understanding about educational digital libraries, both of

    which, are major factors that motivated the research reported

    in this article.

    There are studies that examine the use of educational digi-

    tal libraries or collections by a larger population of faculty

    members and instructors. In 2004, Harley et al., surveyed

    faculty members and instructors in the humanities and social

    sciences at California universities, colleges and community

    colleges to learn about their use of digital resources in tea-

    ching and to some extent the rest of their professional lives.

    Early in their research process they found when conducting

    a series of focus groups, that faculty members and instruc-

    tors, though users of a wide variety of digital resources did

    not understand the formalized concept of a collection or

    digital library.

    This finding was so stark that Harley et al. used a frame-

    work for the next phase of the survey research that avoided

    the language typically used to describe digital libraries, e.g.,

    collections or libraries. Instead the survey language cen-

    tered on the use of online digital resources that they defined,

    for example, as images and visual materials to more sophis-

    ticated learning objects (e.g., simulations, animations, etc.)

    including those considered free or open and those that

    are proprietary. Their results suggest that faculty usea variety

    of these resources both to help improve their students lear-

    ning and as primary sources materials in their teaching. More

    interestingly, however, is why they chose not to use digital

    resources. Respondents reported as their primary reason for

    non-use that digital resources did not support their teaching

    approach. Other barriers to use included, lack of time as well

    as obstacles such as the inability to find, manage, maintain

    and reuse them in new contexts [24].

    Green[21] conducteda multi-methodstudyof how faculty

    at liberal arts colleges in the U.S. found and used digital

    images in their teaching. The researchers received surveyresponses from 404 faculty members at 33 liberal arts insti-

    tutions and completed semi-structured interviews with 296

    faculty staff and administrators across all disciplines. Their

    findings, which support Harley et al.s research, revealed

    that faculty used digital images either from their own col-

    lections or from what they found using a search engine such

    as Google. Faculty appeared to have little awareness of digi-

    tal image collections or libraries. However they were more

    aware of and used educational digital libraries more fre-

    quently than they did the licensed collections in their own

    institutional libraries. A majority of faculty in the study (over

    75%) reported that the useof digital imageshad changed howthey taught. Faculty perceived a range of barriers to greater

    and more effective use of digital images including: inade-

    quate tools for aggregating and managing digital images,

    issues over copyright, inadequate technical support, lack of

    time to locate and learn how to use digital images and insuf-

    ficient access to collections of images [21].

    3 Study method

    In this article, we report on the results of a national survey

    of U.S. faculty members and instructors regarding the use

    and non-use of online digital resources. The purpose of this

    study was to provide a description of use by faculty members

    and instructors at the national level and unrestricted to any

    one educational digital library or collection. This research

    study delved deeply into the barriers to use most frequently

    mentioned in the literature [17,23] such as, time and resource

    constraints, lack of access to high quality materials, lack of

    adaptability of the materials themselves, and intellectual pro-

    perty.

    Focus groups were used to gather preliminary data to

    inform the design of the survey instrument used to survey

    US faculty members and instructors. Using grounded theory

    procedures [20] we analyzed and identified the underlying

    themes that emerged from the focus group data. Because of

    the diverse nature of colleges and universities in the sample

    for the intended survey, we conducted 11 focus groups with

    a total of 60 participants. Two groups were conducted at

    one research university, one at a community college, three

    were conducted at primarily teaching universities, one group

    each at two historically black colleges, one group at a libe-

    ral arts college and two groups at the MERLOT International

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    F. McMartin et al.

    Conference2 whose participants represented a wide variety of

    institutions. We sought input from this range of faculty mem-

    bers and instructors because we assumed that several factors

    would be critical to understanding their need for online digi-

    tal resources and their search and usage behaviors, such as,

    type of institution, teaching experience, teaching load, type

    of courses taught, etc. Analysis of the focus group transcripts

    provided some evidence of the importance of these factorsand the survey was designed to further test the value of these

    factors in predicting user behavior.

    Our focus groups confirmed Harley et al.s [23] findings

    that faculty members did not know what educational digi-

    tal libraries were. Furthermore, these faculty members and

    instructors did not distinguish between a curated collection,

    such as the BEN science network (http://www.bioscienet.

    org) where only those items that have been peer reviewed are

    made available and that of a simple of list of URLs that might

    be found at a colleagues website. These findings, in addition

    to Harleys, highlight how important it is to use the language

    that potential respondents understand when designing surveyinstruments. So like Harley, we avoided using language in

    the survey questions3 associated with digital libraries, e.g.,

    collection, metadata, etc. Instead, in order to improve the

    face validity of the instruments, we carefully described the

    contents of collections, e.g., scholarly articles, visual images,

    historical documents, etc. and asked respondents how they

    searched for and used these materials.

    The survey instrument consisted of 105 items that inclu-

    ded demographic information, questions about motivations

    for use of materials, barriers to use and descriptions of use.

    To minimize survey fatigue, the survey design employed skip

    logic so that respondents were asked details about their use

    of materials only after indicating they used them. Questions

    covered how an individual faculty member or instructor used

    particular kinds of online materials, e.g., animations, simu-

    lations, scholarly resources, images, etc. (see Table 3 for a

    definition of these materials), if they modified these materials

    in any way and their motivations for the use of these mate-

    rials. Survey participants were asked to rank their likelihood

    of use of a digital collection as compared to other search

    engines such as Google or Yahoo.com. Responders were

    also asked a series of demographic questions regarding their

    teaching experience, type of institution in which they work

    and so forth. External validity was determined by pre-testing

    the survey with approximately 20 faculty members from

    the different types of institutions represented in the sample.

    2 MERLOT (http://www.merlot.org ) is a free digital library collection

    designed for higher education and covers over 15 academic disciplines.

    MERLOT holds an annual conference for its users and community

    members, attracting upwards to 400 participants.

    3 A complete list of the survey questions is available at http://serc.

    carleton.edu/facultypart.

    Table 1 Description of Survey Sample and US Institutions

    Type of institution %Sample % US institution

    Associate (2 years) 34 47

    Bachelors granting (4 years) 29 28

    Masters granting 26 17

    Doctoral 9 7

    Other/NR 2 0

    Testers were also asked to comment on the survey and six

    in-depth interviews were conducted to determine if the ques-

    tions were interpreted as intended. To ensure for internal

    validity, some items were reverse coded and Likert scales

    (e.g., very unlikely to very likely, or never used to very fre-

    quently used) were used throughout. Cronbachs Alpha was

    run on each subscale discreetly with results of over 0.75 on

    each.

    3.1 The survey sample

    To reach the studys population, we approached institutions

    to aid us in contacting their faculty members and instructors.

    Using the Carnegie Foundation 2000 list of US institutions of

    higher education, a broad invitation to participate was issued

    to the majority of higher education institutions in the United

    States. A likely contact was identified at each institution by

    visiting the institutions web site. Contacts were generally

    head librarians, heads of faculty development, or academic

    deans. Of the approximately 3,500 institutions contacted,4

    more than 250 responded, and in the end, 119 institutionsagreed to participate. Table 1 shows how this surveys sample

    of institutions compares to the actual distribution of types

    of institutions in the Carnegie list. For the purposes of the

    administration of the survey, the sample was not stratified

    with regards to institutional type because we felt that attemp-

    ting to do so would negatively affect institutional buy-in and

    implementation of the survey.

    The institutional contacts were asked to send the survey to

    their faculty viaemailwith at least onereminderemail. Based

    on patterns of response timed with our reminders to the ins-

    titutional contacts, this requirement was met by all. Faculty

    members and instructors in STEM education were the pri-

    mary audience for the survey and our goal was to reach and

    survey the largest possible number of STEM faculty in the

    4 The Carnegie Classification system from 2000 was used to describe

    institutional type. We did not include those institutions classified as

    special in the population of institutions invited to participate in the

    survey. For reporting purposes we collapsed the categories into tradi-

    tionally identified classes for analysis after testing combined groups for

    internal consistency. For the full list of classifications, see: http://www.

    carnegiefoundation.org/classifications/index.asp?key=791 .

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    http://www.bioscienet.org/http://www.bioscienet.org/http://www.bioscienet.org/http://www.merlot.org/http://www.merlot.org/http://www.merlot.org/http://serc.carleton.edu/facultyparthttp://serc.carleton.edu/facultyparthttp://serc.carleton.edu/facultyparthttp://www.carnegiefoundation.org/classifications/index.asp?key=791http://www.carnegiefoundation.org/classifications/index.asp?key=791http://www.carnegiefoundation.org/classifications/index.asp?key=791http://www.carnegiefoundation.org/classifications/index.asp?key=791http://www.carnegiefoundation.org/classifications/index.asp?key=791http://serc.carleton.edu/facultyparthttp://serc.carleton.edu/facultyparthttp://www.merlot.org/http://www.bioscienet.org/http://www.bioscienet.org/
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    Online digital resources and educational digital libraries

    United States at the full spectrum of institutions. However,

    because issues of use are not unique to STEM disciplines, we

    felt that limiting the survey to only those faculty members

    and instructors would make it too difficult for institutions

    to participate in the research. Consequently, we encouraged

    institutions to include their entire faculty in their invitation

    to participate in the survey. The majority of participating ins-

    titutions sent the survey to their entire faculty body, thoughsome sent it to a random sample of their faculty. By the end

    of the survey period (September 2006January 2007) 4,678

    individuals from the 119 participating institutions responded.

    Of those respondents, 4,439 instructed students; the bulk of

    the analysis was conducted on this group of instructors.

    The demographics of the survey respondents can be found

    in Table 2. Nearly a third (30%) came from Masters gran-

    ting institutions, a fourth from two-year or associate degree

    granting schools (26%), followed by four-year Baccalaureate

    or Liberal Arts College or Universities (22%) and, Doctoral

    Granting Institutions (21%). The respondents were also pri-

    marily tenured faculty (41%) with slightly over ten percentreporting that they held adjunct status (13%), or were pri-

    marily instructors, lecturers or held other non-tenure track

    positions (12%). The majority by far, held full-time positions

    (81%) and40% hadtenure. It is likelythat these faculty mem-

    bers were over-represented in the sample given that 46% of

    all US faculty members hold part-time positions [1].

    Most of the participating institutions chose to administer

    the survey to their entire faculty rather than isolating STEM-

    only faculty. When askedto indicate in which disciplines they

    taught, more than one third of the responses (38%) represen-

    ted a traditional STEM field (biological sciences, chemistry,

    computer science, engineering, geoscience, health sciences,

    mathematics, or physics). Approximately 45% represented

    the humanities, arts or the social sciences while about 20%

    represented the professional schools, e.g., education, busi-

    ness, etc. This breakdown may not reflect the instructors

    disciplinary training and respondents were allowed to select

    multiple disciplines.

    The sample was also made up of faculty who were highly

    experienced instructors, with only one fourthhaving less than

    7 years of teaching experience. This approximates the age

    distribution of higher education instructors with approxima-

    tely 65% being older than 45years old [25]. Slightly over

    half of the sample (54%) reported using course management

    systems or had a course website. Almost all (95%) of the

    respondents reported teaching face to face courses, though

    almost a fifth (21%) reported teaching distance education or

    online courses. Only 12% reported teaching hybrid courses,

    that is, courses that both meet face to face and are conducted

    online. If a respondent noted he or she did not instruct stu-

    dents, they were skipped to the end of the survey answering

    a question on the services offered by collections of digital

    resources, and final demographics.

    Table 2 Descriptive statistics of survey sample

    Variable N %

    Type of institution

    Associate (2 years) 1,144 26

    Bachelors granting (4 years) 960 22

    Masters granting 1,345 30

    Doctoral 926 21

    Other/NR 64 1

    College/University appointment

    Adjunct 579 13

    Tenured 1,834 41

    Non-tenured 891 20

    Permanent non-tenured 283 6

    Instructor/lecturer/faculty assistant 531 12

    Librarian 93 2

    Other/NR 228 5

    Nature of appointment

    Full-time 3,624 82

    Part-time 734 17

    Other/NR 81 2

    Discipline

    Life sciences (biological sciences, health sciences) 797 18

    Physical sciences (chemistry, geoscience, physics) 343 8

    Computer science and Engineering 286 6

    Mathematics 258 6

    Social sciences 833 19

    Humanities and Arts 1,139 26

    Professional schools (business, education) 737 17

    Teaching experience

    16 years 1,278 29

    NR 806 18

    Use of course website/online course management

    Yes 2,523 54

    No 1,279 28

    Unsure 71 2

    NR 566 13

    Course type (respondents could be in multiple categories

    Face-to-face 3,620 82

    Distance education/online 714 16Hybrid 396 12

    4 Results

    4.1 What kinds of online digital resources do faculty use?

    To examine the relationship between the value of digital

    resources and their use more closely, we went back to our

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    Table 3 Types of digital resources

    Digital resource Definition

    Digital images/visual materials and historical documents Drawings, photographs, digital video, art, posters, digitized documents and similar

    representations of primary source material

    Online simulations/animations Illustrations or programs that are created to present a process or concept.The concept

    presentation may include user interaction (i.e. a user may input information to

    modify a simulation/animation)

    Online datasets Any online educational, business and government datasets, and scientific research

    databases

    Teaching or learning activities and exercises Materials found online that are used in instructing students (assignments, tutorials,

    lab procedures, problem sets, case studies, etc.)

    Online scholarly resources Online journals, scholarly articles, and other scholarly discussion groups or sites

    Table 4 Frequency and means for use of digital resources

    Type of learning material Never Rarely Occasionally Very frequently NR

    Freq % Freq % Freq % Freq % Freq % M SD

    Digital images, visual materials and historical documents 379 8 617 14 1,499 34 1,930 43 19 0 3.13 0.95

    Simulations, animations 1,578 36 994 22 1,187 27 503 11 177 4 2.14 1.05

    Datasets 1,161 26 826 18 1,204 27 1,007 23 241 5 2.49 1.13

    Teaching, learning activities and exercises 750 17 694 16 1,425 32 1,275 29 295 7 2.78 1.07

    Scholarly resources 352 8 382 9 1,102 25 2,265 51 338 8 3.29 0.95

    Scale: 1 = Never Use, 2 = Rarely Use, 3 = Use Occasionally, 4 = Very Frequently Use. N= 4,678

    focus group data. For although these participants tended to

    value digital resources highly, they also failed to distinguish

    between the different types of online digital resources, e.g.,

    educational digital libraries, web pages, online journals, and

    were not conscious of using a digital library specifically [38].

    Focus group participants defined educational digital librariesand digital resources broadly making few distinctions bet-

    ween for example, a loose collection of PowerPoint slides

    (available from a well known or trusted colleagues web-

    site) and a collection of materials such as MERLOT. Rather

    than force a definition of digital library for the survey onto a

    group of respondents who most likely not equate educatio-

    nal digital libraries or collections as sources for these highly

    valued online digital resources, we instead used only lan-

    guage describing the digital resources. We then sub-divided

    the resources into five categories as described in Table 3.

    To examine how faculty members reported using these

    materials on the survey, we lookedat the top box score, i.e.,the resource which faculty indicated they very frequently

    used. Survey results indicated that the most popular types of

    materials used by faculty members and instructors included

    online scholarly resources (51%) and digital images/visual

    materials (43%). About a quarter of the respondents (29%)

    reported frequent use of teaching and learning activities or

    online datasets (23%). Online simulations and animations

    were used the least with only 11% of the respondents repor-

    ting frequent use.

    One hypothesis tested was that use of these various types

    of online digital resources would vary based on a number of

    the demographic variables, most particularly, type of insti-

    tution, type of appointment or level of teaching experience.

    To examine this hypothesis an ANOVA was computed and

    while there were statistically significant differences, theywere extremely small and held no practical significance. This

    was perhaps due to the large sample size, which can some-

    times obscure the ability of hypothesis testing to provide

    a meaningful picture of significant differences. Therefore

    effect sizes [14] were also calculated to look for differences

    across groups of institutions, and disciplines. Again, they

    were found to be statistically significant, but at such a small

    level (less than 0.15) that they hold no practical significance.

    So, contrary to the hypothesis, the preferences illustrated in

    Table 4 remained steady across all respondents regardless of

    the demographic variable. These results call into question a

    commonly held belief that more experienced faculty mem-bers, who tend to be older are therefore less likely to use

    technology simply does not hold up.

    Table 5 shows that the vast majority of respondents

    (approximately 60%) felt digital resources were of great

    value to their instruction, potentially skewing the sample.

    However, since we were most interested in what and how

    materials were used, this potential bias was of less concern

    at this level of theanalysis. Thehigh valueof digital resources

    did lead us to ask; does the high regard for these resources

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    Online digital resources and educational digital libraries

    Table 5 Value of digital resources

    Freq %

    Of great value to my instruction 2,766 59

    Of some value to my instruction 1,608 34

    Of no value to my instruction 65 1

    I do not instruct students 87 2

    No response 152 3

    Total 4,678 100

    translate into higher levels of use of digital resources in

    teaching and in turn to the use of educational digital libraries

    to find the resources?

    To examine the interaction of value placed on digital

    resources and level of use, we cross-tabulated the reported

    level of use across the five categories of resources against

    the level that they valued resources. Those users who respon-

    ded that they greatly value these resources reported higher

    levels of use than other respondents (Table 6). The most used

    resources are digital images with 60% of these respondents

    reporting frequent use (Mean=3.44onafourpointscale:1=

    Never Use, 2= Rarely Use, 3=Use Occasionally, 4 =Very

    Frequently Use)5 and scholarly resources, with 65% of these

    respondents reporting frequent use (Mean= 3.51). The other

    categories of resourcesdo not see this strongtrendof frequent

    use even by those who report valuing digital resources highly

    in their instruction. While the number of individuals who sta-

    ted that digital resources were of no value in their instruction

    is quite low, the use pattern seems to be logically consistent

    within each category. When respondents do not value digitalresources, they, unsurprisingly, tend not to use them. Howe-

    ver, almost half of these respondents report at least rare use

    of scholarly resources (Mean= 1.92) and 41% at least rarely

    use digital images (Mean = 1.58), possibly reflecting that

    increasingly, some resources are only available in a digital

    format.

    4.2 How do faculty members and instructors use digital

    resources?

    To more fully understand frequency of use, we must also look

    to how the respondents used the materials, meaning; did theyuse them for teaching purposes, professional development or

    other scholarly activities? Respondents who were users of a

    particular type of resource were asked to rate their likelihood

    5 For questions regarding frequency of use and likelihood of use,

    contrast coding (i.e., 2 being never use to +2 being very frequently

    use) was used to demonstrate an aggregate predisposition for one side

    of thefence orthe other. Mean differencescentered around a zero point

    allow the reader to see, for example in Table 6 and Table 8, if there are

    head to head differences across questions.

    of using them in specific teaching or educational situations on

    a four point scale from Very Unlikely to Use to Very Likely

    to Use (see Table 7). Respondents reported that they were

    somewhat or very likely to use only a few of the resources

    for teaching purposes.Theseincludeduse of digital imagesin

    lectures (Mean = 1.16), for professional development pur-

    poses (Mean = 0.91), and as student study aids (Mean =

    0.83). They were also somewhat likely to recommended tea-ching and learning activities to students as study aids (Mean

    = 0.94). The type of resource most likely to be used ove-

    rall was that of Scholarly Resources (Mean = 1.33), for the

    purpose of professional development as a teacher.

    Overall, the level of usage of these resources suggests that

    there may be barriers to better integrating them in teaching

    and scholarly work.

    Given the impact of respondents valuation of digital

    resources on frequency of use, we analyzed likelihood of use

    under specific scenarios and found a similar pattern. Exami-

    nation of one of the more popular scenarios, presentation of

    digital images in lectures (Table 8) shows that the likelihoodof use is highest by those who highly value digital resources

    (Mean= 1.42), and conversely, if not valued, there is a fairly

    low likelihood of use (Mean=0.84). What is also apparent

    is thedifferencebetween likelihood of usebetweenuserswho

    value them highly and those who see some value in their use.

    Here too, likelihood of use drops quite considerably (Mean

    = 0.67). This type of trend is seen across each of the resource

    types, regardless of the frequencyof use. Forexample, for the

    least frequently used resource, simulations and animations,

    thelikelihood of usein lectures varied from a Mean of 0.62 by

    those who valued them highly, to a Mean of0.02 by those

    who thought they held some value, and to the low of1.00

    by those who did not value them. There is a consistent pattern

    within each resource type; the likelihood of use increased the

    more respondents valued digital resources.

    4.3 What are the barriers to use?

    In order to better understand the use and lack of use of these

    resources, we explored what, if anything, deterred faculty

    members and instructors use of digital learning materials.

    The results from the survey showed that, by far, the most

    commonly reported obstacle respondents reported was time.

    These results contrast with those from other studies regarding

    barriers to use where time was reported as a barrier, but did

    not emerge as theprimary obstacle to use [3,21,23]. This also

    contradicts other responses in our survey, including highly

    ranking the use of these resources as a personal priority, and

    that faculty members and instructors use digital resources

    because it helps save time. This combined with results from

    our focus groups, suggest that this response may be highly

    nuanced, and will require deeper probing.

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    Table 6 Frequency of use by reported value of digital resources to instruction

    Great value Some value No value

    M SD M SD M SD

    Digital images, visual materials and historical documents 3.44 0.80 2.65 0.93 1.58 0.81

    Simulations and animations 2.40 1.06 1.73 0.87 1.11 0.32

    Datasets 2.72 1.12 2.13 1.05 1.36 0.80

    Teaching, learning activities and exercises 3.05 0.99 2.37 1.04 1.27 0.61

    Scholarly resources 3.51 0.80 2.96 1.05 1.92 1.14

    Frequency of use scale: 1 = Never Use, 2 = Rarely Use, 3 = Use Occasionally, 4 = Very Frequently Use. N= 4,439

    Table 7 Likelihood of use of digital resources for teaching and professional purposes

    Type of use of learning material Scholarly Teaching, learning Datasets Simulations, Digital images, visual

    resources activities and animations materials, historical

    exercises documents

    M SD M SD M SD M SD M SD

    Presented during my lectures/class 0.52 1.47 0.61 1.40 0.21 1.47 0.44 1.39 1.16 1.17

    Linked or posted on my course web-

    site/course management system

    0.38 1.58 0.53 1.54 0.03 1.56 0.17 1.52 0.50 1.55

    Used in tests and quizzes 0.74 1.47 0.40 1.56 0.91 1.35 1.09 1.26 0.53 1.50

    Recommended to students for review

    and/or a study aid

    0.70 1.43 0.94 1.27 0.31 1.49 0.59 1.38 0.83 1.34

    For use in scholarly work, including grant

    writing

    0.85 1.55 0.74 1.51 0.29 1.62 1.00 1.34 0.18 1.61

    For use in my own professional develop-

    ment as a teacher

    1.33 1.12 0.40 1.50 0.67 1.42 0.22 1.49 0.91 1.61

    Presented in the context of an online class

    discussion

    0.30 1.63 0.29 1.64 0.47 1.53 0.38 1.54 0.13 1.64

    Assigned to students as part of a student

    research project or problem-based lear-

    ning assignment

    0.77 1.45 0.42 1.50 0.43 1.48 0.04 1.49 0.43 1.47

    Scale: 2 = Very Unlikely, 1 = Some What Unlikely, +1 = Some What Likely, +2=Very Likely. N= 4,439

    Table 8 Likelihood of use by reported value of digital resources to instruction

    Type of use of learning material Digital images, visual materials, historical documents

    Great value Some value No value

    M SD M SD M SD

    Presented during my lectures/class 1.42 1.01 0.67 1.27 0.84 1.25

    Linked or posted on my course web-

    site/course management system

    0.85 1.43 0.17 1.54 1.04 1.34

    Used in tests and quizzes 0.25 1.53 1.06 1.29 1.48 1.00

    Recommended to students for review

    and/or a study aid

    1.11 1.24 0.33 1.38 0.54 1.28

    For use in scholarly work, including grant

    writing

    0.03 1.62 0.59 1.52 1.20 1.19

    For use in my own professional develop-

    ment as a teacher

    1.16 1.22 0.44 1.39 0.40 1.32

    Presented in the context of an online class

    discussion

    0.18 1.63 0.71 1.47 1.24 1.30

    Assigned to students as part of a student

    research project or problem-based lear-

    ning assignment

    0.72 1.38 0.13 1.45 1.00 1.17

    Likelihood of Use Scale: 2 = Very Unlikely, 1 = Some What Unlikely, +1 = Some What Likely, +2 =Very Likely. N= 4,439

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    Table 9 Barriers to use of digital materials

    Item Mean SD

    (a) I would use more digital resources if there were more / better training available to me on how to use this

    technology in my classes (n = 3,740)

    0.42 1.36

    (b) I would use more digital resources if I had more time ( n = 3,745) 0.94 1.21

    (c) Digital resource use is not a priority for me ( n = 3,717) 0.70 1.31

    (d) I would use more digital resources if it was a greater priority at my institution (n=

    3,699)

    0.37 1.35(e) I would use more digital resources if I had more access to technology (computers, classroom equipment,

    etc.) (n = 3,726)

    0.07 1.52

    (f) I would use more digital resources if there were more useful digital resources available ( n = 3,723) 0.45 1.35

    (g) I would use more digital resources if I had more flexibility in the content/curriculum of my classes (m =

    3, 719)

    0.75 1.28

    (h) I would use more digital resources if the technology were more dependable ( n = 3,713) 0.07 1.43

    (i) I would use more digital resources if my institution rewarded me for using them (i.e., an award, count

    toward tenure, etc.) (n = 3,714)

    0.05 1.54

    Scale: 2 = Strongly Disagree, 1 = Some What Disagree, 1 = Some What Agree, 2 = Strongly Agree

    The lack of availability of useful materials was seen by

    a majority of respondents as a barrier. The only institutio-nal motivator respondents reported as being an important

    influence, was the availability of more or better training on

    how to use this technology in the classroom (Mean= 0.42 on

    a four point scale where 2.0 is Strongly Disagree and+2.0

    is Strongly Agree). This finding lends support to the com-

    monly held perception that faculty and instructors who use

    digital resources in the classroom must by supported with

    professional development. What was somewhat more sur-

    prising was the ambivalence about institutional or external

    motivators, e.g., institutional rewards for use or access to

    technology. Responses to these types of motivators (items

    e, g, h, and i in Table 9) hovered around 0.0, meaning half

    the respondents were on each side of the statement. Two

    potential barriers, that the use of digital resources was not a

    personal priority, and that instructors use would increase if

    they had more flexibility in the choice of content or curricu-

    lum in their classes were not identified as being barriers by

    most respondents.

    4.4 How do faculty members and instructors find materials?

    How users find materials and what role commercial Internet

    search engines such as Google play in this search continues

    to be an issue for the educational digital library community

    [30]. These communities recognize the importance of sup-

    porting exploration in digital resource discovery [16,34,35].

    In our research we also appreciated theimportance of unders-

    tanding not only what is used and how materials are used

    but also the role that digital libraries play in locating these

    resources.

    The results of our focus groups indicated that users relied

    more heavily on trusted sources and personal networks for

    finding materials than they did educational digital libraries

    or general web browsing. When directing them to characte-

    rize how they use the web to search for materials they usedin a class, Google (other search engines were rarely mentio-

    ned) was the primary starting point for searching. Often they

    reported starting with Google to find materials they already

    knew to exist, e.g., a particular website attributed to a known

    instructor, websites associated with established textbooks,

    professional associations (academic and non-academic), or

    governmental agencies. This behavior is a common search

    pattern [41], and suggests that Google itself has become one

    of the trusted sources identified in earlier studies [33,34].

    In this way, faculty members and instructors typify behavior

    associated with web orienteering [10,43], meaning that

    they use resources they like as a springboard to explore other

    sites linked to the original site. Using the original source as

    a starting point supports their ability to re-find the new

    sources.

    Focus group participants may not have recognized the

    digital resources they used as being part of an educatio-

    nal digital library due to their reliance on Google to locate

    resources. The results from the Google searches of these

    faculty members and instructors obscured the type of

    resource,making it difficult for them to recall if they obtained

    resources from web pages, collections, or educational digital

    libraries. Participants readily recalled the types of materials

    and could describe how they used them, but they were not

    conscious of having used an educational digital library or

    collection to find them.

    With this behavior in mind, the survey asked participants

    to rate their tendency to use a web search engine (like Google

    or Yahoo), and their tendency to use a collection of digi-

    tal resources (like an educational digital library) for a given

    situation. The survey instrument aligned the two different

    drop-down response menus next to each situation described,

    so a respondent could think in terms of one being more likely

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    Table 10 Use of DL collection versus search engine for searching

    When I want to find DL collection Search engine

    Mean SD Mean SD

    (a) Information that provides students with context 0.69 1.49 1.21 1.24

    (b) Examples that get students excited about a topic 0.43 1.50 1.23 1.23

    (c) Current information (data, event information, etc.) for students 0.59 1.53 1.45 1.06

    (d) Something that illustrates a difficult concept for students 0.50 1.51 0.87 1.41

    (e) Non-technical background for students 0.02 1.55 1.06 1.68

    (f) Primary source material that I can integrate into my course 0.87 1.49 0.60 1.55

    (g) Lesson plans, syllabi, or exercised that I can integrate into my instruction 0.19 1.61 0.30 1.65

    (h) Information about how to improve my teaching 0.21 1.61 0.06 1.61

    (i) Education or pedagogy information 0.37 1.63 0.07 1.61

    (j) Information for scholarly or my professional development as a teacher 0.93 1.45 0.43 1.55

    (k) Information on an unfamiliar topic in my field 1.08 1.34 1.14 1.26

    (l) Information in preparation of a grant proposal 0.63 1.64 0.14 1.66

    (m) Information about professional activities, e.g., conferences, workshops 0.01 1.66 1.05 1.43

    (n) Stay current on new developments in my field 1.09 1.37 0.56 1.52

    Scale: 2 =Very Unlikely, 1 = Some What Unlikely, 1 = Some What Likely, 2 = Very Likely. N= 4,439

    than the other. The situations were grouped by those items

    that were focused on finding resources specifically for their

    students and those that supported course planning.

    The survey results reflected the focus group findings of

    users reliance on search engines such as Google. Generally,

    the survey respondents reported being positively inclined to

    use both search engines and educational digital library collec-

    tions, but there is a clear preference towards search engines

    with a few exceptions (see Table 10). These were related

    to specific tasks about teaching practice where respondentswere more likelyto usea collection of digital resourcesto find

    information about how to improve their teaching and when

    they specifically sought out education or pedagogy informa-

    tion.

    5 Discussion

    Lack of information about how faculty members and instruc-

    tors use educational digital libraries (and in particular, use

    the NSDL, their member digital libraries and the contents of

    thesecollections) in theirteaching and professional academic

    lives motivated this research. Members of the NSDL digital

    library community have long expressed frustration with the

    lack of knowledge available regarding use [18] and how this

    gap has negatively affected their ability to design and imple-

    ment services that meet users needs. By surveying faculty

    members and instructors at a national level, we attempted

    to answer our primary research question: What do faculty

    members do with the online digital resources they find (and

    by extension how to they use educational digital libraries)?

    We also explored several other questions: Do faculty value

    these resources? How do they use them for teaching pur-

    poses? What are the barriers to their use (of both resources

    and educational digital libraries)? What, if any, meaningful

    differences arethere between groupsof users based on demo-

    graphic variables?

    Through theresults from both thesurvey andfocusgroups,

    we examined the uses, motivations and barriers surrounding

    faculty members and instructors use of educational digital

    libraries. We identified factors that would help the designersof these services align their services with how faculty mem-

    bers and instructors work, as well as suggest services and

    features that faculty members andinstructors might find most

    valuable when using an educational digital library. In the fol-

    lowing section, we discuss four main themes that emerged

    from the survey and focus group results.

    5.1 Valuing educational digital resources does not always

    translate into higher use

    The trends with regards to frequency and likelihood of use

    suggest that there is some barrier or set of barriers that limit

    use by those who do not value them highly or who are not

    highly motivated to use them. The disparity among the dif-

    ferent types of resources in combination with the different

    uses (teaching, research, or professional development) lends

    support to the notion that adoption or use of digital resources

    may occur best when the resource is analogous to what Steve

    Gilbert describes as a low thresh-hold application [19].

    Known as LTAs these applications make use of technology

    that is easy to use, fairly ubiquitous, is fairly low cost, and

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    Table 11 Use of materials by

    level of experience, institution

    type and college/university

    appointment

    N= 4,439

    Group Digital images, Teaching/learning

    visual materials and activities and

    historical documents exercises

    Mean SD Mean SD

    Level of experience

    06 years 3.22 0.91 2.88 1.05

    7 or more years 3.11 0.96 2.76 1.08

    Institution type

    Associate (2 years) 3.11 0.96 2.88 1.03

    Bachelors (4 years) 3.13 0.94 2.65 1.08

    Masters 3.11 0.92 2.85 1.07

    Doctoral 3.18 0.97 2.70 1.08

    College/University appointment

    Adjunct faculty 2.96 1.02 2.83 1.09

    Tenured faculty 3.13 0.95 2.68 1.10

    Non-tenured faculty 3.20 0.92 2.80 1.07

    Permanent non-tenured faculty 3.23 0.90 2.86 0.93

    Instructor/lecturer/faculty assistant 3.16 0.94 2.91 1.00

    essential to the discipline. The same idea appears to apply to

    digital resources and almost certainly (along with the relati-

    vely small size of the item) explains why digital images were

    the most frequently used resource for teaching purposes and

    is likely a factor in why animations and simulations are the

    least used type of digital resource.

    These findings also raise questions concerning expecta-

    tions around the use of digital resources and the meanings

    faculty assign to their use. For example, what does valua-

    tion of a resource mean to an instructor? Similarly, whatdoes it mean that an instructor uses a resource frequently or

    infrequently? Expecting an instructor to use any one of these

    resources all the time or very frequently during a course or

    class period simply may not make good pedagogical sense

    nor match an instructors teaching or learning goals. Low

    usage may only reflect the nature of the need for a resource

    or the fact that there may only be one seminal resource that

    pertains to a relatively small, but important segment of a

    disciplines population. In this case, it would be a mistake

    to equate low, but carefully considered, usage with non-use.

    The disparate interpretations associated with this issue indi-

    cate the need for further exploration of the issue.

    These results suggest that there might be services that

    would increase usage in higher education. Knowing that

    faculty members and instructors highly value and use digital

    images, visual images and historical documents as teaching

    aids suggests that educational digital libraries that do not

    have these resources might consider developing collections

    of images, or image of the day/week types of services to

    help attract users. Given the interest in use of the materials

    for their own professional development, collections might

    also consider how to focus more on the professional needs

    of faculty to help them use the full range of materials in

    educational digital library collections rather than providing

    only collections of learning materials focused towards use

    with students. Providing the types of resources instructors

    are seeking while at the same time offering scaffolding that

    will support use of less commonly sought, but highly valued

    resources, should help increase the use or value of educatio-

    nal digital library collections to non-users.

    5.2 Faculty are more alike than different in use of online

    digital materials

    One of the purposes of conducting this study was to learn

    more about how faculty members and instructors differ in

    their use or non-use of digital resources and educational digi-

    tal libraries. Based on the findings of our focus groups, we

    hypothesized that users would differ in their use based on

    the following set of variables: type of institution, level of

    teaching experience and type of academic appointment. For

    the most part, our findings did not support that supposition.

    In fact, we found that faculty members and instructors were,

    with regard to these variables, more similar in their use of

    these resources than they are different. Our examination of

    the most popular resources and most clearly related to tea-

    ching, digital images/visual materials and historical docu-

    ments and teaching/learning activities and exercises, showed

    few if any differences with regards to the variables listed

    above (see Table 11). Considering that the majority of post-

    secondary instructors have been trained in a relatively small

    number of institutions and that there are rarely significant

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    changes in that training based on potential career path may

    partially explain their behavior. If this is the case, it suggests

    that investments in future faculty training in the use of these

    materials may have the largest impact.

    While the focus of this article has not been on these diffe-

    rences, a few disciplinary patterns of use and non-use emer-

    ged. At this point in our data analysis, we have found that

    no one discipline uses teaching and learning activities signi-ficantly differently from the others. Yet there is some indica-

    tion that discipline may serve to be a predictor of the use of

    different types of resources. Digital images demonstrates one

    such potential area for further study, for it appears that mem-

    bers of the Biological Sciences and Geosciences communi-

    ties report using them slightly more than other disciplines,

    especially when compared to the social sciences and huma-

    nities and arts. This also contrasts with the findings from the

    Harley et al. study that reported the social sciences, humani-

    ties and arts as being strong users of these same resources.

    This discrepancy confirms the need to explore these diffe-

    rences and this analysis will be reported in more depth infuture publications.

    5.3 Barriers to use cannot be simply defined

    Given the disparity between respondents high value for digi-

    tal resources and actual practices in using them, it is clear

    that there are barriers that must be overcome for faculty

    members and instructors to become regular users of these

    resources. Research related to what motivates faculty mem-

    bers and instructors to take on teaching distance education

    courses found that the motivations took two forms: intrinsic

    and extrinsic. Wolcott and Betts [48] found that for inten-

    sive activities like teaching at a distance, intrinsic motivation

    distinguished faculty who participated in distance education

    from those who did not. Others suggest that faculty need

    to be rewarded extrinsically to encourage them to change

    their teaching behaviors to adopt an innovation. External

    rewards range from support by the campus administration

    (e.g., credit towards promotion and tenure for implementa-

    tion of innovative teaching methods/scholarship of teaching)

    and infrastructure support (e.g., teaching assistants, technical

    assistance, adequate or more reliable technology) to training

    in how to use the materials [13,22,27,42]. There is certainly

    a combination of factors including the difficulty of the task

    and the personal interest in the task, which drive what types

    of rewards are required.

    Other theories of change associated with adoption of new

    technologies, most especially the Technology Acceptance

    ModelTAM [2,15], focus on the perceived usefulness of

    a technology and/or its perceived ease-of-use. These dimen-

    sions are particularly important when considering barriers

    other than motivational barriers. The TAM model may be of

    critical importance when considering how the use of Google

    defines how users search for materials, what their expecta-

    tions are with respect to finding materialsand their awareness

    of educational digital libraries. In the focus groups, respon-

    dents repeatedly reported that Google was their first choice

    for finding information. Survey responses upheld the prefe-

    rence for Google. However, educational digital libraries were

    rarely described by our focus group participants as being dif-

    ficult to use or not useful. In this case, when usability doesnotseem to be an issue, this model may not be especially appli-

    cable to use of educational digital libraries. However, it does

    suggest that digital libraries should seek to leverage search

    tools to bring users into their collections. If these libraries

    wish to be recognized as the resource provider, the design

    of these deep links needs to clearly identify the source of

    the content and provide navigation that helps the visitor find

    other materials.

    In terms of barriers to use of educational digital libraries

    and online resources, a large majority of the respondents to

    our survey stated that lack of time as being a barrier to adop-

    tion. The results from our focus groups contradicted this fin-ding in the sense that faculty reported a willingness to spend

    the time necessary to find the right materials. It also contra-

    dicts responses from the survey where a similar number of

    respondents noted that they used digital resources to save

    them time. These results point out the complexity of naming

    time as a barrier. The danger of including a question that

    asks if time is a barrier is that it fails to force the user to reflect

    on the ultimate barriers that lack of time reflects. We suggest

    that it is not really lack of time, for all of us have finite time,

    but rather an issue of priorities. For example, when people

    say that they do not have time to perform a task, it may be

    a polite way of saying it is not as high a priority for them as

    the other tasks that they have to do.

    Barriers to use for these respondents do not seem to be one

    of lack of motivation, nor does use seem to be closely tied

    only to factors associated with the Technology Acceptance

    Model. When talking with our focus group participants we

    heard many stories indicating the opposite. These instructors

    were so invested in helping their students visualize a concept

    or learn something that required a digital learning object that

    they would spend hours looking through page after page of

    Google hits in search of the right image or item that they

    needed. This kind of commitment to helping students learn,

    an important intrinsic motivational force, may surpass all

    other types of motivators. Motivation to use these resources

    seems to rely on personal characteristics not explored in this

    research.

    5.4 Learning about teaching is not yet an intentional web

    activity

    Previous studies have indicated that faculty members and

    instructors for the most part prefer to learn about new ideas,

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    innovations, and how to apply them by working with

    colleagues [6,32]. The NSDL and other educational digi-

    tal libraries were formed to support and promote innovation

    in teaching and learning. Unlike other digital libraries, those

    that focus on education are attempting to build high quality

    collections of innovative learning materials within a speci-

    fic discipline available for reuse with the intention of impro-

    ving teaching and learning. Some of these libraries also wraparound or connect these materials to information about how

    to usethem in teaching. Theresults from this survey however,

    suggest that fewer instructors than hoped for use the Web for

    these purposes, as indicated by low ratings regarding their

    likelihood to use a search engine or a digital library to find

    materials to improve teaching methods (Table 10h). This fin-

    ding requires more exploration as it is at odds with other

    research. For example, in the geosciences, recent research

    estimates that 25% of these faculty members use Teach the

    Earth resources that offer both content and pedagogical sup-

    port [35]. This suggests that carefully designing targeted

    resources with appropriate materials can be successful.These results suggest that educational digital libraries

    whose goal is to promote innovation in teaching and lear-

    ning still face quite a few challenge in achieving this goal.

    That said, our findings reveal that faculty members and ins-

    tructors tend to prefer educational digital libraries as places

    to stay current on new developments in their field and to seek

    information for their scholarly or professional development

    as a teacher. These preferences lend some support for buil-

    ding services that support such activities within educational

    digital libraries.

    6 Conclusions, limitations and implications

    Participants of the survey clearly did not need to be per-

    suaded as to the value of some forms of digital resources.

    But this is apparently not enough to ensure their use as the

    respondents self-reported behavior shows fairly low levels

    of use of materials thought to be of high instructional value,

    such as, simulations [28] even though they value the gene-

    ral class of digital resources highly. These survey results and

    the results from our focus groups put forward numerous chal-

    lenges facing educational digital libraries in informing poten-

    tial users about their existence and in convincing these users

    to use them to search for helpful pedagogical teaching and

    learning materials, both for use with their students and for

    their own use.

    The results also suggest that there is a gap to be bridged

    between offering digital learning materials of value and pro-

    viding resources to encourage their use. The recent focus on

    Web 2.0 and building social networks such as Flickr, Face-

    book or YouTube, is seen as one way to begin to address this

    challenge. The hope is that by providing faculty members

    and instructors with tools to share their experiences in using

    these materials, they will adopt the materials, use them, and

    then contribute back to the site that provides access to these

    resources. Our results, however, suggest that faculty mem-

    bers and instructors, unlike other populations, may be reluc-

    tant to engage in this type of social and professional interac-

    tion and sharing of learning materials, at least with regards

    to their teaching responsibilities. Perhaps most telling in thatregard is that nearly a third (28%) of our survey respon-

    dents reported that they did not have a course website or use

    online course management tools. Our focus group respon-

    dents also offered some insight into this issue when they

    responded that while they wanted to find, view and poten-

    tially use other faculty members and instructors materials,

    they were not as willing to reciprocate by posting or sharing

    their own materialsbehaviors that are essential to the Web

    2.0 experience. It is not clear that whether this is a lack of

    willingness to share, as it is an issue resulting from the private

    nature of teaching and fear of criticism in a field (education)

    in which they are often not formally trained, and whetherthis might change as more faculty become immersed in the

    scholarship of teaching and learning.

    The heavy reliance on search engines, particularly Google,

    indicates that there should not be a division between search

    engines and educational digital libraries. It appears that a

    synergistic relationship exists between the two in which the

    search engine brings users to the content and the educational

    digital library offers high quality content. Each adds value to

    the other. This raises the importance of exposure of educa-

    tional digital library contents to search engines, and design

    of the internal portions of the library to make users arriving

    from search engines aware of where they are and offering

    these transient visitors a reason to stay. Failure to expose

    materials in educational digital libraries to search engines

    increases the costs for those libraries to bring in users, and

    as users become even more focused on search, increases the

    likelihood of their irrelevancy to users because they cannot

    be found through a web search.

    One potential criticism that might be leveled against this

    research is that the majority of respondents seemed to

    demonstrate a response bias towards highly valuing digital

    resources. However, it is important to keep in mind that the

    goal of this research was to examine how individuals use

    digital resources in support of teaching and learning. This

    being the goal, response bias is considerably less troubling.

    More interesting is that these findings suggest a gap between

    perceived value and actual use of digital resources. As the

    demographics of the faculty shift in the next decade the ques-

    tion will be less one of are digital resources valuable? to

    one such as what makes the resources and their organization

    most valuable to our faculty and our students?

    This paper presents an overview of survey findings

    where variables, typical to research on faculty members and

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    F. McMartin et al.

    instructors in higher education, such as, institution type or

    level of teaching experience, did not directly predict varia-

    tions between respondents perceptions and their use of digi-

    tal resources. Future examinations of the current data will

    look at how demographic, attitudinal, and behavioral

    variables may interact to more effectively predict educatio-

    nal digital library use. As the broader goal of any research

    on digital resource use should focus on how to align positiveperceptions of a digital resource with actual use of a digital

    resource, the goal of future work will be to identify leading

    indicators of digital resource use and explore how developers

    of educational digital libraries can use these to successfully

    influence use.

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