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Author Question: An effectiveness study is associated with which phase of a clinical trial? A) Phase I B) Phase ... (Read 203 times)

jazziefee

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on: Jul 8, 2018
An effectiveness study is associated with which phase of a clinical trial?
 
  A) Phase I
  B) Phase II
  C) Phase III
  D) Phase IV

Question 2

The sampling strategy that involves the selection of extreme cases is referred to as criterion sampling.
 
  A) True
  B) False


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momtoalll

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Reply #1 on: Jul 8, 2018
Answer to Question 1

D
Feedback:
Clinical trials, which are studies designed to assess the effectiveness of clinical interventions, often involve a series of phases. Phase I is designed to finalize features of the intervention. Phase II involves seeking preliminary evidence of efficacy and opportunities for refinements. Phase III is a full experimental test of treatment efficacy. In Phase IV, the researcher focuses primarily on generalized effectiveness and evidence about costs and benefits.

Answer to Question 2

B


jazziefee

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Reply 2 on: Jul 8, 2018
Gracias!

adf223

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Reply 3 on: Yesterday
Excellent

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