Evidence-based practice inquiry
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DifferencesbetweenQuantitativeandQualitativeMethods.docxDifferences between Quantitative and Qualitative Methods
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Quantitative |
Qualitative |
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Objective |
Subjective |
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Design |
Longitudinal, Clinical trials, Cohort, Cross-sectional, Correlational, Quasi-experimental, Experimental, Pre-Post Test, Chart audits, Case Study |
Historical, Observations, Philosophical, Ethnography, Case Study, Grounded theory, Lived Experiences *Be sure if you identify a case study it is the right design category |
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Sample |
Large (N=) |
Small |
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Data Collection |
Mailings, Scales, Questionnaires, Surveys, Polls, |
Interviews, semi-structured, focus groups, open ended questions, |
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Tools |
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Setting |
Controlled (outcome oriented) |
Flexible natural (process oriented) |
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Analysis |
Statistics, SPPS, SAS, numbers Some basic stats: Chi squares, t-tests, factor analysis, ANOVA, logistic regression, |
Thematic or content analysis, rich descriptions, narrative statements, patterns, constant comparative, coding, categories, conversation analysis, photo voice. Or they may use software for qualitative studies |
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Strives to generalize |
Strives for transferability |
All research is descriptive, exploratory, or explanatory; however, quasi-experimental and experimental are usually quantitative studies striving for control and prediction.
Some studies are mixed methods and they combine quantitative and qualitative methods. If you identify a mixed methods critique only the parts that are necessary for the critique.
