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2 Humps = P-Hacking + Publication Bias?

In a recent blogpost at Simply Statistics, Jeff Leek announced a new R package called tidypvals: “The tidypvals package is an effort to find previous collections of published p-values, synthesize them, and tidy them into one analyzable data set.” In a preview…

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Elsevier and the 5 Diseases of Academic Research

[From the article “5 diseases ailing research — and how to cure them” at Elsevier Connect, the daily news site for Elsevier Publishing.] This article summarizes the “diseases” ailing scientific research as identified in the article “On doing better science: From thrill…

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IN THE NEWS: CBC News (November 24, 2016)

[From the article “We’ve Been Deceived: Many Clinical Trial Results Are Never Published”] It is now common practice for clinical trials to register their protocols prior to enrolling participants.  These efforts are important if the research community is to have…

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The Rise of Negative Results

This article from Chemical & Engineering News discusses publication bias and ways to fix it that will sound familiar to readers of TRN.  Of particular interest is the need to make space in the literature for negative results:  “The open access movement has…

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On the Reproducibility Crisis in….Microbiology?

From obscure to ubiquitous, the reproducibility crisis is now headline news everywhere.  In a blog by American Society of Microbiology (ASM) CEO Stefano Bertuzzi entitled, “ASM Addresses the Reproducibility Crisis in New Academy Report”, 6 areas were highlighted for “restoring rigor…

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The Journal Comparative Political Studies Tries “Results-Free” Submissions

The website Retraction Watch has an interesting interview with MICHAEL FINDLEY about an experiment undertaken at Comparative Political Studies last year. The journal sponsored a special issue for which they solicited submissions where results were not reported.  Submissions were of two types: (i) planned…

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Publication Bias in Action: The Case of Oxytocin and Trust

[From the article, “How scientists fell in and out of love with the hormone oxytocin” in Vox:Science & Health]  This article recounts how initial laboratory research showing the hormone oxytocin induced trust between people eventually was demonstrated to be mostly Type I error….

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Maybe There is Only a Replication Crisis for Published Research

[From an article in the Washington Post entitled “Does social science have a replication crisis?”]  This article consists of an interview with Kevin Mullinix, Thomas Leeper, and Alex Cox.  The article highlights their recent research which reports a high rate…

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Concerned about publication bias? Use a critical t-value of 3

A new paper by GARRET CHRISTENSEN,  JUSTIN MCCRAY and DANIELE FANELLI in PLOS ONE suggests an alternative to using conventional t-values when researchers are concerned about publication bias.  From the Abstract: “Publication bias leads consumers of research to observe a selected sample…

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MICHELE NUIJTEN: The Replication Paradox

Lately, there has been a lot of attention for the excess of false positive and exaggerated findings in the published scientific literature. In many different fields there are reports of an impossibly high rate of statistically significant findings, and studies…

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