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Predicting Reproducibility

[From the working paper “Predicting the Replicability of Social Science Lab Experiments” by Altmejd et al., posted at BITSS Preprints] “We have 131 direct replications in our dataset. Each can be judged categorically by whether it succeeded or failed, by a…

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MILLER: The Statistical Fundamentals of (Non-)Replicability

“Replicability of findings is at the heart of any empirical science” (Asendorpf, Conner, De Fruyt, et al., 2013, p. 108) The idea that scientific results should be reliably demonstrable under controlled circumstances has a special status in science.  In contrast…

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How Should One Statistically Analyse a Replication? It Depends.

[From the preprint, “Statistical Analyses for Studying Replication: Meta-Analytic Perspectives” by Larry Hedges and Jacob Schauer, forthcoming in Psychological Methods] “Formal empirical assessments of replication have recently become more prominent in several areas of science, including psychology. These assessments have…

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REED: The Devil, the Deep Blue Sea, and Replication

In a recent article (“Between the Devil and the Deep Blue Sea: Tensions Between Scientific Judgement and Statistical Model Selection” published in Computational Brain & Behavior), Danielle Navarro identifies blurry edges around the subject of model selection. The article is a tour…

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