Step 1 Read the article in Appendix A “Example of a Randomized Clinical Trial” (Nyamathi et al.,2015),

Step 2 Discuss the following questions related to the article found on ~p. 162 under Critical Appraisal Criteria:

1. Is the type of design used appropriate? Your rationale?

2. What are the threats to internal and external validity?

3. Is the design appropriately linked to the evidence hierarchy?

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