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 Discussions (10)

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Discussions Replies Latest Activity

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…

Started by Anne Fleur

0 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 multi…

Started by Emilie Champagne

0 Jul 14, 2014

Complex effect size conversion

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,…

Started by Emilie Champagne

7 Jun 9, 2014
Reply by Blair T. Johnson

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

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 recom…

Started by Ali KIŞ

2 Apr 11, 2014
Reply by Ali KIŞ

Backtranslating standardized mean differences to raw means - need assistance

Hello all,Happy new year. I discovered this forum while searching for meta-analysis resources on google. I am currently working on a meta-a…

Started by Yeshvanth JP

1 Jan 5, 2014
Reply by Blair T. Johnson

David Wilson ES calculator

David B. Wilson has put a new online effect size calculator in at least two spots (here, hosted on Dave's "meta-analysis stuff" site at Geo…

Started by Blair T. Johnson

1 Dec 16, 2013
Reply by Blair T. Johnson

Standardized Effect Size for Overall Model Fit in Structural Equation Modeling

Hi Everyone! I'm currently planning a project that I'd like get underway but it's still unclear to me whether or not it's even possible. En…

Started by Garett Howardson

2 Dec 27, 2012
Reply by Garett Howardson

Calculating Standardized Mean Difference (SMD) or ES with confidence intervals included

Hi Guys, I have a nagging question. How do I compute Standardized Mean difference  (SMD)  (or the effect size or Cohen's d with Confidence…

Started by Gbelnerg Yamba

1 Feb 3, 2012
Reply by William L. Baker

Effect size coding & calculator

Here our coding and calculator for effect sizes: ES%20Coding%20%26%20Calculator.xlsx 

Started by Tania

0 Apr 27, 2011

Effect Size Measures in Genetic Association Studies and Age-Conditional Risk Prediction

The importance of effect size calculations in any meta-analytic study is of utmost importance. However, despite this importance effect size…

Started by Michael L. Bruneau Jr.

2 Feb 9, 2011
Reply by Blair T. Johnson

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