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Replicability-Index

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Replicability-Index: Replicability Index: A Blog by Dr. Ulrich Schimmack - Replicability-Index

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One major contribution to the growing awareness that psychological research is often unreliable was an article by Daryl Bem (2011), which reported nine barely statistically significant results to support the existence of extrasensory perception—most memorably, that extraverts could predict the future location of erotic images (“pornception”).

Subsequent replication ...


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Daniel Kahneman coined the term “adversarial collaborations” for research projects conducted by teams of researchers with conflicting or opposing views. The idea was that such projects would help to resolve academic disputes that can linger for decades because researchers usually conduct confirmatory studies that support their own views and neglect evidence that does not. Thi...


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Bartoš, F., & Schimmack, U. (2022). Z-curve 2.0: Estimating replication rates and discovery rates. Meta-Psychology, 6, Article e0000130. https://doi.org/10.15626/MP.2022.2981

Brunner, J., & Schimmack, U. (2020). Estimating population mean power under ...


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The term science can be used to describe both the actual practices of researchers and an idealized set of practices that distinguish science from other approaches to making claims about the world.

A core aspect of the idealized conception of science is that research activity is used to test theories, and that empirical tests can, under some conditions, fals...


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Behavioral or social priming is the poster child of the replication crisis. Bargh declined Kahneman’s offer to rehabilitate it by showing that he could replicate his result. The same is true for other social psychologists who became famous for changing people’s behaviors without their knowledge / awareness.

While priming studies have largely disappeared from social...


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