Expert answer:grand canyon bio550 week 3 and week 4 forum discus

  

Solved by a verified expert:week 3Describe the key features of descriptive and analytic epidemiology. How are the two used in conjunction with one another?diss 2What is a clinical trial? Support your description with literary rationale. Why do you believe clinical trials are beneficial?weeek 4What is the key feature of a cross-sectional study? Present the strengths and weaknesses of the approach. Select two other peers’ postings and debate their rationale.diss 2What are the fundamentals of a case-control study? Present the strengths and weaknesses of the approach. Select two other peers’ postings and debate their rationale.

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