A Practical Tutorial on Conducting Meta-Analysis in R

Abstract

Meta-analysis is a set of statistical procedures used for providing transparent, objective, and replicable summaries of research findings. This tutorial demonstrates the most common procedures on conducting a meta-analysis using the R statistical software program. It begins with an introduction to meta-analysis along with detailing the preliminary steps involved in completing a research synthesis. Then, a step-by-step tutorial for each of the quantitative componentsinvolved for meta-analysis is provided using a fictional set of psychotherapy treatment-control studies as a running example.

Keywords

• Meta-analysis
• Effect sizes
• Tutorial
• R