A Systematic Review Should Address the Components Specified in PICOS

question 7

Multiple Choice

A systematic review should address the components specified in PICOS. Why is this so?

• A)Interventional research always uses some means of comparison.
• B)"Interventions" that are actually naturally occurring conditions should be noted, since they decrease confirmatory power of the collective evidence.
• C)Study design is essential, since recommendations for change in practice can be based only on some designs.
• D)Desired outcomes, not actual outcomes of the study, are the focus of the review.
• E)The specific population from which a sample was drawn, and its similarity to those of others studies reviewed, affects generalizability.

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