Meta-Analysis Resources

Tools for Those Who Summarize the Evidence Base

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

Calculating Effect Sizes and Their Variances or Standard Errors

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Calculating Effect Sizes and Their Variances or Standard Errors

Tips and techniques to help meta-analysts calculate effect sizes and the variances that are needed for the purpose of analysis.

Members: 26
Latest Activity: Jun 7, 2016

Discussion Forum

calculating variance of mean proportions for meta-analysis

We aim to do a meta-analysis on mean proportions using. Thus, individual proportions (accuracy scores) within a study are already averaged to a mean proportion when I distract them from studies. We…Continue

Started by Anne Fleur Jun 3, 2016.

Converting from r to d

Hi everybody,I am looking for references concerning the transformation of r-type effect size into d-type.My meta-analysis encompass multiple type of data, some presented as differences of means,…Continue

Tags: converting, sizes, effect

Started by Emilie Champagne Jul 14, 2014.

Complex effect size conversion 7 Replies

Hi everybody,I am really happy to finally find somewhere where my meta-analysis questions could find an answer. I'm new to meta-analyzing, but I have read multiple books on the subject while starting…Continue

Started by Emilie Champagne. Last reply by Blair T. Johnson Jun 9, 2014.

Mann Whitney U and Kruskal Wallis values into Cohen's d AND merging multiple outcomes 2 Replies

Hi everyone,I just wonder how to convert Mann Whitney U and Kruskal Wallis values into Cohen's d. Any formulas or references you may recommend?A second question: Is there a way to merge (combine) 2+…Continue

Started by Ali KIŞ. Last reply by Ali KIŞ Apr 11, 2014.

 

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