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A Primer on Pre-Registration

[From the article “The preregistration revolution” by Brian Nosek, Charles Ebersole, Alexander DeHaven, and David Mellor, published in PNAS] “Progress in science relies in part on generating hypotheses with existing observations and testing hypotheses with new observations. This distinction between postdiction and prediction…

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Reproducibility crisis? What reproducibility crisis?

[From the opinion article, “Is science really facing a reproducibility crisis, and do we need it to?” by Daniele Fanelli, published in Proceedings of the National Academy of Sciences (PNAS)] “Efforts to improve the reproducibility and integrity of science are typically…

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Postdiction, Prediction, and Preregistration

[From the article, “The preregistration revolution” by Brian Nosek, Charles Ebersole, Alexander DeHaven, and David Mellor, published in Proceedings of the National Academy of Sciences (PNAS)] “Sometimes researchers use existing observations of nature to generate ideas about how the world…

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Your Favorite Journal Does Not Publish “Only the Highest Quality Scientific Research”

In a recent opinion piece for Slate, the ubiquitous Andrew Gelman took the prestigious journal Proceedings of the National Academy of Sciences (PNAS) to task for claiming that it “only publishes the highest quality scientific research.” As a result, PNAS no longer…

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