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Unformatted text preview: Open-ended questions Single systems designs: AB ABAB Experimental designs: Pretest, posttest control group Posttest only control group Quasi-experimental designs: Pretest, posttest non-equivalent comparison group Simple interrupted time series Interrupted time series with non-equivalent comparison group Pre-Experimental One shot case study 1 group pretest posttest 3 Concept Notes Needs further study? Posttest only design with non-equivalent comparison group Qualitative Approaches: Narrative Phenomenological Ethnographic Grounded Theory Case Study Sampling frame Study population Purposive sampling Simple random sampling Quota sampling Systematic random sampling Theoretical sampling...
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