What terms means a summation and assessment of research studies ...

[stephzh]

What terms means a summation and assessment of research studies found in the literature based on a clearly focused question?
 
  a. Meta-analysis
  b. Systematic review
  c. Cochrane collaboration
  d. Integrative review

Question 2

The highest level of evidence is known to be provided by what?
 
  a. Meta-analysis
  b. Systematic review
  c. Effect size
  d. Integrative review

[katieost]

Answer to Question 1

ANS: B

Feedback
A A meta-analysis is a systematic summary using statistical techniques to assess and combine studies of the same design to obtain a precise estimate of effect (impact of an intervention on the dependent variable/outcomes or association between variables).
B A systematic review is a summation and assessment of research studies found in the literature based on a clearly focused question that uses systematic and explicit methods to identify, select, critically appraise, and analyze relevant data from the selected studies to summarize the findings in a focused area.
C The Cochrane Collaboration is an international organization that prepares and maintains a body of systematic reviews that focus on health care interventions.
D An integrative review is the broadest category of review. It can include theoretical literature, research literature, or both, and may include methodology studies, a theory review, or the results of differing research studies with wide-ranging clinical implications.

Answer to Question 2

ANS: A

Feedback
A Meta-analysis provides Level I evidence, the highest level of evidence, as it statistically analyzes and integrates the results of many studies.
B Systematic review is not known to provide the same level of evidence as meta-analysis.
C Effect sizes are calculated using the difference in the averages scores between the intervention and control groups from each study.
D Integrative review is not known to provide the same level of evidence as meta-analysis.