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Some statistical dirty laundry
. It’s an apt time to reblog the “statistical dirty laundry” post from 2013 here. I hope we can take up the recommendations from Simmons, Nelson and Simonsohn at the end (Note [5]), which we didn’t...
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What do these share in common: m&ms, limbo stick, ovulation, Dale Carnegie?...
For entertainment only Here’s the follow-up to my last (reblogged) post. initially here. My take hasn’t changed much from 2013. Should we be labeling some pursuits “for entertainment only”? Why not?...
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Trial on Anil Potti’s (clinical) Trial Scandal Postponed Because Lawyers Get...
. Trial in Medical Research Scandal Postponed By Jay Price DURHAM, N.C. — A judge in Durham County Superior Court has postponed the first civil trial against Duke University by the estate of a patient...
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Are scientists really ready for ‘retraction offsets’ to advance ‘aggregate...
. Given recent evidence of the irreproducibility of a surprising number of published scientific findings, the White House’s Office of Science and Technology Policy (OSTP) sought ideas for “leveraging...
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96% Error in “Expert” Testimony Based on Probability of Hair Matches: It’s...
Imagine. The New York Times reported a few days ago that the FBI erroneously identified criminals 96% of the time based on probability assessments using forensic hair samples (up until 2000). Sometimes...
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“Fraudulent until proved innocent: Is this really the new “Bayesian...
Fraudulent until proved innocent: Is this really the new “Bayesian Forensics”? (rejected post) Filed under: evidence-based policy, frequentist/Bayesian, junk science, Rejected Posts
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Evidence can only strengthen a prior belief in low data veracity, N. Liberman...
Förster I thought the criticisms of social psychologist Jens Förster were already quite damning (despite some attempts to explain them as mere QRPs), but there’s recently been some pushback from two of...
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Some statistical dirty laundry: The Tilberg (Stapel) Report on “Flawed Science”
. I had a chance to reread the 2012 Tilberg Report* on “Flawed Science” last night. The full report is now here. The discussion of the statistics is around pp. 17-21 (of course there was so little...
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Stapel’s Fix for Science? Admit the story you want to tell and how you...
. Stapel’s “fix” for science is to admit it’s all “fixed!” That recent case of the guy suspected of using faked data for a study on how to promote support for gay marriage in a (retracted) paper,...
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Will the Real Junk Science Please Stand Up?
Junk Science (as first coined).* Have you ever noticed in wranglings over evidence-based policy that it’s always one side that’s politicizing the evidence—the side whose policy one doesn’t like? The...
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Beware of questionable front page articles warning you to beware of...
. Such articles have continued apace since this blogpost from 2013. During that time, meta-research, replication studies, statistical forensics and fraudbusting have become popular academic fields in...
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Some statistical dirty laundry: have the stains become permanent?
. Right after our session at the SPSP meeting last Friday, I chaired a symposium on replication that included Brian Earp–an active player in replication research in psychology (Replication and...
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What do these share in common: m&ms, limbo stick, ovulation, Dale Carnegie?...
For entertainment only In a post 3 years ago (“What do these share in common: m&m’s, limbo stick, ovulation, Dale Carnegie? Sat night potpourri”), I expressed doubts about expending serious effort...
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Richard Gill: “Integrity or fraud… or just questionable research practices?”...
Professor Gill Professor Richard Gill Statistics Group Mathematical Institute Leiden University It was statistician Richard Gill who first told me about Diederik Stapel (see an earlier post on...
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S. Senn: “Painful dichotomies” (Guest Post)
. Stephen Senn Head of Competence Center for Methodology and Statistics (CCMS) Luxembourg Institute of Health Twitter @stephensenn Painful dichotomies The tweet read “Featured review: Only 10% people...
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