Question: Answer the following questions, covering material from Ch. 11 of the Methods in Behavioral Research text:

1. How may a researcher enhance the generalizability of the results of a single case design?

2. What is the relationship between quasi-experiments and confounding variables? Provide an example

3. Provide examples of non-equivalent control group designs. What are the advantages of having a control group?

4. What is a quasi-experimental research design? Why would a researcher use a quasi-experimental design rather than a true experimental design?

5. What is the difference between a cross-sectional and a longitudinal study? What is a sequential study? Which of these designs is most vulnerable to cohort effects? Which design is most vulnerable to the effects of attrition?

6. What are the differences between: needs assessment, program assessment, process evaluation, outcome evaluation, and efficacy assessment? Why is program evaluation important to the field?