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Disagreeing With Disagreeing About Abandoning Statistical Significance

[From the preprint “Abandoning statistical significance is both sensible and practical” by Valentin Amrhein, Andrew Gelman, Sander Greenland, and Blakely McShane, available at PeerJ Preprints] “Dr Ioannidis writes against our proposals to abandon statistical significance…” “…we disagree that a statistical…

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Don’t Abandon It! Learn (and Teach) to Use It Correctly

[From the paper “The practical alternative to the p-value is the correctly used p-value” by Daniël Lakens, posted at PsyArXiv Preprints] “I do not think it is useful to tell researchers what they want to know. Instead, we should teach…

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Do Not Abandon Statistical Significance

[From the article “The Importance of Predefined Rules and Prespecified Statistical Analyses: Do Not Abandon Significance” by John Ioannidis, published in JAMA] “A recent proposal to ban statistical significance gained campaign-level momentum in a commentary with 854 recruited signatories. The…

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IN THE NEWS: Undark (March 21, 2019)

[From the article “Stats Experts Plead: Just Say No to P-Hacking” by Dalmeet Singh Chawla, published in Undark] “For decades, researchers have used a statistical measure called the p-value — a widely-debated statistic that even scientists find difficult to define — that is…

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Special Issue of The American Statistician: “Statistical Inference in the 21st Century: A World Beyond p < 0.05”

[From the introductory editorial “Moving to a World Beyond ‘p < 0.05’” by Ronald Wasserstein, Allen Schirm and Nicole Lazar, published in The American Statistician] “Some of you exploring this special issue of The American Statistician might be wondering if…

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HIRSCHAUER et al.: Twenty Steps Towards an Adequate Inferential Interpretation of p-Values in Econometrics

This blog is based on the homonymous paper by Norbert Hirschauer, Sven Grüner, Oliver Mußhoff, and Claudia Becker in the Journal of Economics and Statistics. It is motivated by prevalent inferential errors and the intensifying debate on p-values – as…

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To p-Value or Not to p-Value? An Answer From Signal Detection Theory

[From the article “Insights into Criteria for Statistical Significance from Signal Detection Analysis” by Jessica Witt, published in Meta-Psychology] “… the best criteria for statistical significance are ones that maximize discriminability between real and null effects, not just those that…

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When Trying to Explain p-Values, Maybe Try This?

[From the blog “P-values 101: An attempt at an intuitive but mathematically correct explanation” by Xenia Schmalz, posted at Xenia Schmalz’s blog] “…what exactly are p-values, what is p-hacking, and what does all of that have to do with the replication crisis?…

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How Many Ways Can You Misinterpret p-Values, Confidence Intervals, Statistical Tests, and Power? 25

[From the blog “Misinterpreting Tests, P-Values, Confidence Intervals & Power” by Dave Giles, posted at his blogsite, Econometrics Beat] “Today I was reading a great paper by Greenland et al. (2016) that deals with some common misconceptions and misinterpretations that arise not…

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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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