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The most popular qualitative method of data analysis is case study. Two other popular methods are action research and analytical induction. Ethnography or the study of people in their natural settings is a major use of qualitative research and data analysis for this category includes field research, discourse analysis, biography study, and more.
Explanatory, analytical and experimental studiesâ¦. 1  Explain Why a phenomenon is going on. 2  Can be used for hypothesis testing. 3  Allow for inferences to be drawn about associations and causality.  Examples: Case-control study, Cohort study (follow-up), Intervention trial.