Article appraisal

Homework

Appraisal:  Appraise the article in narrative format by answering the following questions.

· What are the strengths and weaknesses of the sampling method, as applied to this study?  Analyze the following and give a rationale for your claims.

· Inclusion/exclusion criteria to control for extraneous variables

· Sample representativeness of the population

· Sample size adequacy 

· Decreases in sample size and researchers' explanation

· Was treatment fidelity ensured? Why or why not?