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IN THE NEWS: Vox (July 31, 2017)

[From the article “What a nerdy debate about p-values shows about science — and how to fix it” by Brian Resnick at Vox.com]  “There’s a huge debate going on in social science right now. The question is simple, and strikes…

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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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ANDERSON & MAXWELL: There’s More than One Way to Conduct a Replication Study – Six, in Fact

NOTE: This entry is based on the article, “There’s More Than One Way to Conduct a Replication Study: Beyond Statistical Significance” (Psychological Methods, 2016, Vol, 21, No. 1, 1-12) Following a large-scale replication project in economics (Chang & Li, 2015)…

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To p-value or Not To p-value, That Is The Question

[From the article, “Scientists, fishing for significance, get a meager catch” by Ivan Oransky and Adam Marcus at the website STAT] “If you cast a wide enough net, you’ll find what looks like a prize-winning fish. But you’ll also catch a…

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The American Statistical Association Wants to Change the Way We Use p-values

[From an article at Retraction Watch] “After reading too many papers that either are not reproducible or contain statistical errors (or both), the American Statistical Association (ASA) has been roused to action. Today the group released six principles for the use…

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But Not as Good as Psychologists?

The website FiveThirtyEight has a thoughtful post reflecting on the recent study in psychology in which 100 experimental studies were replicated . At least two points are worth highlighting.  First, despite the concern about p-hacking, it turns out that one…

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