Proposing and Conducting a Campbell Systematic Review

The Campbell Collaboration's comprehensive guide to preparing systematic reviews

Campbell Information Retrieval Guide

The Campbell Collaboration's guide to systematic literature searching and retrieval

Effect Size Calculator

David Wilson's new web-based effect size calculator. Use this tool to create standardized effect sizes from over 40 different types of data

Meta Analysis

Powerpoint slides from David Wilson's course on meta-analysis.

Meta-Analysis Macros

SPSS, STATA, and SAS add-ons for computing effect sizes and for specialized meta-analysis models.

Practical Meta-Analysis

A concise introduction to conducting systematic reviews and handling and analyzing your data. Written by Mark Lipsey and David B. Wilson.

Handbook of Research Synthesis and Meta-Analysis

A comprehensive guide to systematic reviewing, with contributions from a number of Campbell Collaboration affiliates.

Power Analysis

Tools for calculating power statistics, created by David Wilson.