Week FiveHomework Exercise Answer thefollowing questions, covering material from Ch. 11 of the Methods in Behavioral Research text:1. What are single-case designs and when are theymost useful?2. How may a researcher enhance thegeneralizability of the results of a single case design? 3. What is the relationship betweenquasi-experiments and confounding variables? Provide an example4. Provide examples of: one-group posttest designsand one-group pretest and posttest designs. What are the limitations of each?5. Provide examples of non-equivalent control groupdesigns. What are the advantages of having a control group?6. What is a quasi-experimental research design?Why would a researcher use a quasi-experimental design rather than a trueexperimental design?7. What is the difference between a cross-sectionaland a longitudinal study? What is a sequential study? Which of these designs ismost vulnerable to cohort effects? Which design is most vulnerable to theeffects of attrition?8. What are the differences between: needsassessment, program assessment, process evaluation, outcome evaluation, andefficacy assessment? Why is program evaluation important to the field?9. A researcher wants to investigate patrioticbehavior across the lifespan. She samples people in the following age groups:18–28, 29–39, 40–50, 51–60, and 61 and above. All participants are interviewedand asked to complete questionnaires and rating scales about patrioticbehavior. This type of developmental research design is called________________. What is the primary disadvantage of this type of design?Explain.
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