| 1.Pick one (or more of them if this interests you) prevention program.
a. Describe how the mediators were selected. b. Describe the theory of behavior that was used to select mediators. c. Describe the link between the program components and the mediators targeted . 2. Describe one area of research other than prevention in terms of the mediation model of an independent variable causing the mediator which then causes the dependent variable. 3. Describe one behavior change theory used (or could be used) in prevention research ,e.g. health behavior theory, cognitive dissonance, Cialdini’s influence principles. 4. Here is a mediation path diagram with parameter estimates (and standard
errors in parentheses).
a. Compute the mediated effect and its standard error. Compute the confidence
interval for the mediated effect. Is it statistically significant?
5. According to Judd and Kenny (1981) and Mackinnon (1994) what are the four steps in assessing mediation. 6. For your own data, select one mediator, one outcome variable, and one independent variable. Compute the three regression equations necessary to test the steps in 5 above. Calculate the mediated effect and its standard error, and the proportion and ratio mediated. Briefly describe the results of the analysis in words. Include the computer output. 7. Is it possible for there to be no overall relationship between an independent variable and an outcome variable, but significant mediation? How? 8. Compute the direct effect, the total indirect effect, and each specific indirect effect for the following model. Compute the standard error of one of the specific indirect effects.
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