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?
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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