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 (14)

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Discussions Replies Latest Activity

Estimating the standard error for d, VR, and Proportion ratios.

Hi everybody, I want to calculate the standard error of d, VR, and Proportion ratios. And I'm looking for the standard error formula of the…

Started by Majid

1 Feb 8
Reply by Majid

Relative high weights in pre-post scores studies

Hi there, I'm working on a meta-analysis where i combine different designs: independent groups (treatment and control group) on the one han…

Started by Michael Köhler

0 Feb 7

calculating Cohen's d for pre-post changes among paired groups?

Dear all, I am using the programme "Comprehensive Meta-Analysis" (CMA) to meta-analyze the effectiveness of a particular intervention. I wa…

Started by Kevria

0 Feb 6

inter-study variance

Hi Everyone I need to know how can i calculate inter-study variance in a fixed effect model ? i need to know the variance so i will be able…

Started by Noha Ghallab

0 May 7, 2017

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


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