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Using Bayesian Reanalysis to Decide Which Studies to Replicate

[From the preprint “When and Why to Replicate: As Easy as 1, 2, 3?” by Sarahanne Field, Rink Hoekstra, Laura Bringmann, and Don van Ravenzwaaij, posted at PsyArXiv Preprints.] “…a flood of new replications of existing research have reached the…

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How do Psychologists Interpret Nonsignificant Results? Evidence from the Journals

[From the abstract to the article, “Quantifying Support for the Null Hypothesis in Psychology: An Empirical Investigation” by Aczel et al., recently published in Advances in Methods and Practices in Psychological Science] “In the traditional statistical framework, nonsignificant results leave researchers…

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GELMAN: Some Natural Solutions to the p-Value Communication Problem—And Why They Won’t Work

[NOTE: This is a repost of a blog that Andrew Gelman wrote for the blogsite Statistical Modeling, Causal Inference, and Social Science]. Blake McShane and David Gal recently wrote two articles (“Blinding us to the obvious? The effect of statistical…

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Bayes Factors Versus p-Values

In a recent article in PLOS One, Don van Ravenzwaaij and John Ioannidis argue that Bayes factors should be preferred to significance testing (p-values) when assessing the effectiveness of new drugs.  At his blogsite The 20% Statistician, Daniel Lakens argues…

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