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7/26/2019 Qualitative Analysis Methods
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Quantitative vs. Qualitative
Research Method Issues
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Outline
Introduction How to choose?
Quantitative Research
Disadvantages vs. Advantages
Qualitative Research
Disadvantages vs. Advantages
History and Trends
Mixed-Methods
So which is better?
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Factors to consider
Field of study
Nature of study
Purpose of the study
Population of the study Tools readily available
Method and design
Instrument
Amount of human interaction or characteristics to be studied
Desired implications and results
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Disadvantages
Should only be used if data can
be measured by numbers, results
quantified
Instrument or method chosen is
subjective and research isdependent upon tool chosen
Lack of independent thought by
researcher when dependent on
instrument or mathematics used to
extract or evaluate data
Individuals decisions not
evaluated based on their culture
or social interactions
Decisions made without regard to
individual human thought orchoice to predict behavior
All individuals are measured same
way
Experiences
Backgrounds
Intelligence
Ability to change decisions at any
given point in time
Independent though
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Criticism
Inefficient for formulating higher education planning, policyand decision making
Unable to create procedures based on results
Groups individuals as unemotional subjects (Keller, 1998)
Social influences of individuals needed
Limitations on generalizability
Particular point in time; no account for change of mind
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Advantages
Observations are usedthroughout studies
Formulating hypotheses
allows for speculation about
outcomes; applicable
instrument
Safeguards used to
minimize or eliminate bias
Predicts correlation betweenobjects
Systematic data collection
and analysis
Generalizable to other
institutions for further
research
Recognized criteria for
assessment and validity
More research conducted by
this method
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Qualitative
Investigates individual behaviors and characteristics tounderstand cause and solve issues
Inductive process to explore new perspectives on previouslystudied information not completely understood
Involvement of human subjects; dependent on interaction
Less generalizable to greater population
More accurate description of individuals and groups
Multiple types:
Interviews
Focus groups
Case studies
Ethnographic studies
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Disadvantages
Strong dependency onsample population
Access
Honest and valid
information
Time and resources neededfor collection and analysis isintensive
Lack of objectivity and biasby researcher
Inferences made
Incorrect conclusions
Convenience sampling
Lack of training orknowledge aboutmethodology
Lack of ability to produceand comprehend research
Not recognized
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Advantages
Helps explain relationshipsin detail; individualistic
Can help validate
quantitative findings by
further investigation
Can help close gap between
research and practice
Needs of individuals in
institutions
Study problems more relevant
to policy makers
Less dependent oninstrument
Can bring change in
institutions and society
In-depth
Personalized
Examines specific issues
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History and Trends
Study of five leading higher education journals
showed higher volume of quantitative methods vs.
qualitative in 1986 and 1989
Shift has reported increase in qualitative methods inorganization and vocational psychology
40-50 percent decrease in 1983-1988 of quantitative
methods
10 percent decrease in 1996-1999
Qualitative methods increased from 15-18 percent of
studies to 30-40 percent of studies
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History and Trends
Discovery of Grounded Theory: Barney Glaser
Legitimized alternative methods and research designs
Emphasized the creation of theory out of qualitative data
No longer belief that research was solely to producescientific knowledge
Comparative assessment for research still does not
exists
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How do you measure whats best?
Need a standard of measurement to determine quality
Guidelines are needed to recognize validity of results
Barriers of many different approaches and types of research methods
Two methods can provide complementary results
Qualitative: Rich description of issues in field
Lay groundwork for quantitative studies
Quantitative
Provides accurate data collection and analysis and utilization
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Research process is
deductive.
Research process is
inductive.
Measure objective facts. Document social reality,
meaning is constructed.
Focus on variables. Focus on in-depth meaning.
Firewall between research
process and researchers
values.
Values are present & explicit
(empathy).
Cross-contextual. Contextual dependence.
Many cases. Few cases.
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Statistical analysis Thematic analysis
Highly structured research
process.
Loosely structured
research process.
Particularistic, specific Holistic perspective
Separation from data Intimacy with data
Generalize to population Generalization to properties andcontexts
J^R[h
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When should I use qualitative methods?
When variables cannot be quantified
When variables are best understood in their
natural settings
When variables are studied over real time
When studying intimate details of roles, processes,and groups
When the paramount objective is understanding
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methodology, setting and nature of the issue.
Must be familiar with own biases, assumptions,
expectations, and values. Must be empathic, intelligent, energetic, and interested inlistening
Must be open to embracing multiple realities.
Must be prepared to produce detailed, comprehensive, andsometimes lengthy reports.Source: Bj#, b [6.3*$/? 0TT0E
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Qualitative Sampling
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Text is generally collected from or in the formof!
Field notes -- Newspaper or magazine stories
Interviews (recorded and transcribed)
C2%$3
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An example of
old schoolcoding
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Sources of codes (typically both):1.A priori codesexpected, looked for
Previous research
Previous theory
Research question
Your intuition of the data or setting
2.
Grounded codesdiscovered(suspend ideas about the subject and let the data determine codes)
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Such arrangements help researchers:
1. dimensionalize,or recognize dimensions of similarthoughts or E.g., thoughts about how to appear masculine:
Clothes Presence
Short hair -- Confidence
Plain shoes -- Taking up space
Shirt with collar
2. Connect codes in more sophisticated ways
3. Document patterns in user-friendly ways (neverrely on memory)
%
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Drawing Conclusions and Verification
Dra ing Concl sions and Verification
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Drawing Conclusions and Verification
In the end, like good quantitative research, goodqualitative research gives a portrayal of the human
experience that is as accurate as possible, but which
always has limitations.
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