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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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REBLOG: Evidence of Publication Bias and Misreported p-Values

FROM THE BLOG POLITICAL SCIENCE REPLICATION:  “A new article by researchers at the University of Amsterdam shows that publication bias towards statistically significant results may cause p-value misreporting. The team examined hundreds of published articles and found that authors had…

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We Have Met the Enemy, and He is Us

FROM THE ARTICLE: “We studied publication bias in the social sciences by analyzing a known population of conducted studies—221 in total—in which there is a full accounting of what is published and unpublished. … Strong results are 40 percentage points more…

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