This project examines heterogeneity across thirteen pre-registered multi-lab replication projects in psychology. We examine what degree of heterogeneity can be expected in direct replication studies in social and cognitive psychology and explore a proposed relationship with effect size.

• The repository on the Open Science Framework is considered the main repository: https://osf.io/f3mga/
• The author accepted version of the manuscript is available at: https://psyarxiv.com/m23v4
• The final published version will be available at doi.org/10.1037/bul0000294