Qualitative vs Quantitative Research
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Transcript of Qualitative vs Quantitative Research
Qualitative vs Quantitative Research
1) Introduce qualitative research
2) Compare qualitative and quantitative
Qualitative Research
1. Focuses on non-numeric issues
2. Emphasizes meaning and interpretation
3. Says studying life is dynamic
4. Is possible with any quantitative topic
Qualitative
Quantitative
Designs / Methods
1. Content analysis (secondary analysis, historical/official records review)
2. Surveys (questionnaires, interviews, focus groups, delphi technique, other blended)
3. Observation (field study, ethnography, phenomenology, case study)
4. Experiment (Quasi-Experiment)
Comparison of Qual & Quant
Purpose Describe, understand
Predict causal relationships
Questions Why, how What (test)
Logic Inductive Deductive
Role of Theory
Broad & post hoc
Theory-driven
Measures Open, unstrux, face val
High rel & val
Comparison of Qual/Quant (continued)
Sampling Purposive Random, rep
Intervention Hands off Big control
Data gathered
Immerse & ad lib
Structured & predetermined
Researcher role
Must dev rship w/ particips
Objective
Qual vs Quant
• Subjective• Multiple realities• Discovery, descript• Interpretive• Organismic• Whole > parts• Rich narrative• Researcher big
part• Context dependent
• Objective• One reality• Reduce chaos,
predict• Measurable• Mechanistic• Parts = whole• Statistical analyses• Researcher separate• Context free
Research Ethics
1) Do no harm (RC theory on violations)
2) Need outside approval (IRB, HSR)
3) Obtain informed consent and vol. part.
4) Guarantee anonymity or confidentiality
5) Share your caveats & funding source
6) Be aware of legal liability
7) Special considerations (access, deceit)