Meta-Analysis Resources

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Resources and networking for those who conduct or interpret meta-analyses related to any phenomenon that is gauged in multiple studies.

David Cregg
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How to Calculate Observed Variance in a Random-Effects Meta-Analysis

I've received a revise and resubmit on a meta-analysis investigating the effects of a positive psychology intervention on depression and anxiety symptoms. I used Hedges' g as the effect size with a…Continue

Started Jan 1

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How to Calculate Observed Variance in a Random-Effects Meta-Analysis

I've received a revise and resubmit on a meta-analysis investigating the effects of a positive psychology intervention on depression and anxiety symptoms. I used Hedges' g as the effect size with a random effects model and the DerSimonian & Laird estimator of heterogeneity. The effect size estimates the difference between the intervention and a control group. A reviewer has asked me to report the observed variance for each meta-analysis I conduct. However, the software I'm using (OpenMEE)…See More
Jan 1
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At 2:33am on May 14, 2020, Stella said…

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