Podcast
Questions and Answers
What is required for studies to be pooled in a meta-analysis?
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?
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?
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?
What should a researcher consider when studies are heterogeneous?
Which statistic is used to examine heterogeneity among included studies?
Which statistic is used to examine heterogeneity among included studies?
Flashcards
Meta-analysis
Meta-analysis
Combining results from similar studies in a systematic review to create a summary statistic.
Cochran's Q statistic
Cochran's Q statistic
Statistical test that checks how much variation exists between studies included in a meta-analysis.
I² statistic
I² statistic
Measure of heterogeneity in meta-analysis, expressed as a percentage.
Homogeneity
Homogeneity
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Heterogeneity
Heterogeneity
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