Week 4 appendix a article

 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?
Step 3 Read and respond to two other students’ posts by Friday 11:59pm MT.
Read other students’ posts and respond to at least two of them. Use your personal experience, if it’s relevant, to support or debate other students’ posts. If differences of opinion occur, debate the issues professionally and provide examples to support your opinions.
Cite any sources in APA format.

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