Estimating the reproducibility of psychological science

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Citation: The Open Science Collaboration (2015/08/28) Estimating the reproducibility of psychological science. Science (RSS)
DOI (original publisher): 10.1126/science.aac4716
Semantic Scholar (metadata): 10.1126/science.aac4716
Sci-Hub (fulltext): 10.1126/science.aac4716
Internet Archive Scholar (search for fulltext): Estimating the reproducibility of psychological science
Download: https://doi.org/10.1126/science.aac4716
Tagged: reproducibility (RSS)

Summary

  • 97% of original studies had statistically significant results.
  • 47% of original effect sizes were in the 95% confidence interval of the replication effect size.
  • 39% of effects were subjectively rated to have replicated the original result.
  • 36% of replications had statistically significant results.

The claim that “we already know this” belies the uncertainty of scientific evidence.