Meta-Analysis Concepts Quiz
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Questions and Answers

What is required for studies to be pooled in a meta-analysis?

  • Studies must have different populations.
  • Studies must have different interventions.
  • All studies must come from the same geographical location.
  • Studies must have the same design and control type. (correct)

    • What does a high Q statistic indicate in a pooled analysis?

  • High accuracy of pooled results.
  • Equal results across all studies.
  • Low variability within studies.
  • High variability between studies. (correct)

    • What does the I² statistic represent in a meta-analysis?

  • The percentage of variation due to chance. (correct)
  • The standard deviation of pooled results.
  • A measure of the number of studies included.
  • The average effectiveness of all studies.

    • What should a researcher consider when studies are heterogeneous?

    <p>Caution is necessary before combining results.</p> Signup and view all the answers

    Which statistic is used to examine heterogeneity among included studies?

    <p>Cochran's Q statistic</p> Signup and view all the answers

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