Studies and Experiments
Reproducibility Project: Psychology
Also Known As Open Science Collaboration Study
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The Reproducibility Project: Psychology was a large-scale 2015 initiative, organized by the Open Science Collaboration and the Center for Open Science, that attempted to replicate 100 psychology studies originally published in three major journals, becoming the signature empirical demonstration of psychology's replication crisis.
Facts
Key FindingAmong the studies that did replicate successfully, the replicated effect sizes averaged about half the magnitude of the original studies' effect sizes. 1 Key FindingOf 97 original studies with a statistically significant result, only 36 percent produced a significant result on replication, and the replicated effect sizes averaged about half the magnitude of the original findings. 1 Cross-Tradition Connections
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1. Wikipedia: Replication crisis
WikipediaKey 2015 Psychology StudyQuote, Key 2015 Psychology Study
The Reproducibility Project: Psychology found that "Of 97 original studies with significant effects, 36% replicated successfully"
1. Wikipedia: Replication crisis
WikipediaIn Branch: Quantitative Psychology, Reproducibility Project scope sectionQuote, In Branch: Quantitative Psychology, Reproducibility Project scope section
Coordinated by psychologist Brian Nosek, researchers redid 100 studies in psychological science from three high-ranking psychology journals
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