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.

Forum Discussions (51)

Discussions Replies Latest Activity

A beginners guide you could recommend?

Hi, I hope you can help. I'm new to meta-analysis but slightly older to systematic literature reviewing. I'm trying to learn about the type…

Started by F M

7 May 14, 2015
Reply by Blair T. Johnson

Know Your Limitations: "Data" and "Big Data" vs. "Statistics" and "Models" and the Necessity of Good Theory

If you are reading this blog, you like numbers. Perhaps you even love them. Even if you are a dedicated qualitative researcher, I’d urge yo…

Started by Blair T. Johnson

0 Sep 6, 2014

Approaches for estimating or dealing with missing pre-post correlations

I am wondering if anyone can point me to literature regarding approaches for estimating pre-post correlations for pre-post studies in which…

Started by Jonathan Shaffer

2 Mar 20, 2014
Reply by Jonathan Shaffer

Multi-level Meta-Analysis

I have some meta-analytic data that I would like to analyze using multi-level techniques. In particular, teams are my focal level of analys…

Started by Lauren D'Innocenzo

9 Jan 29, 2014
Reply by Wim Van den Noortgate

Post No Bills (here unless it is about meta-analysis generally; but do so in specific items to groups)

The forum is a little like a blank wall that is irresistible: It just seems to attract comments. So, let me start with a little humor: You'…

Started by Blair T. Johnson

0 Jan 5, 2014

Non-parametric data in meta-analysis

Good afternoon!  Can anyone recommend any resources regarding how to deal with non-parametric data within meta-analyses?  I'm looking at an…

Started by Sarah Chapman

0 Dec 18, 2013

Imputing Variance Estimates

Good Afternoon All, I am writing a protocol for a meta-analysis and was asked by the funder to include our plan for handling studies that…

Started by William L. Baker

1 Sep 10, 2013
Reply by Blair T. Johnson

calculating an effect size from percentages

Hello, I have one question about calculating effect sizes from percentages. The study I am interested in reported percentage with standard…

Started by Milica Nikolic

0 Sep 4, 2013

User-specified weights

Hi everyone, I am looking for a software package - preferably in R - that allows me to use user-specified weights in meta-analysis (instea…

Started by Christine Zhang

1 Aug 28, 2013
Reply by Blair T. Johnson

Publication bias for a small number of studies

I performed a meta-analysis involving only four RCTs. What is the most correct way to deal with publication bias? I used Begg test but I kn…

Started by Andrea Ciarrocchi

1 Aug 16, 2013
Reply by Blair T. Johnson


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