Synthesising evidence

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1. How does a meta-analysis differ from a secondary data analysis?

  • They are not comparable
  • In a meta-analysis, your data are the raw data from another study, in a secondary data analysis, your data are the final results from other studies
  • In a meta-analysis, your data are the final results from other studies, in a secondary data analysis, your data are the raw data from another study
  • They are the same
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2. We can check for publication bias using...

  • Scatter plots
  • Violin plots
  • Funnel plots
  • Box plots

3. Systematic review:

  • Systematically and methodically identifies, appraises and synthesises all high-quality available on a given research topic
  • Statistical technique for combining the results of multiple studies into a single pooled estimate

4. Meta-analysis:

  • Statistical technique for combining the results of multiple studies into a single pooled estimate
  • Systematically and methodically identifies, appraises and synthesises all high-quality available on a given research topic

5. What is the name of a measure of converting each study’s results into a standardised effect size?

  • Cohen's b
  • Cohen's d
  • Cohen's a
  • Cohen's c
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