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Two More Findings from Psychology Fail to Replicate
[From the article, “A Worrying Trend for Psychology’s ‘Simple Little Tricks’” from The Atlantic magazine] “In yet another setback for the field, researchers have failed to replicate two studies showing that basic techniques can reduce racial achievement gaps and improve voter…
Read MoreTales from the (Psychology) Crypt
This story about academic negligence, if not outright fraud, has many similarities with previous posts about “data mistakes,” though there is enough unique in the story to make it interesting in its own right. To paraphrase Tolstoy, “each unhappy article…
Read MoreProgress Report on Open Science in Psychology
ETIENNE LEBEL, in a blog for BITSS, gives a brief but wide-ranging summary of the status of “open science” in psychology. Topics include: (i) the use of “badges” to encourage provision of research materials, (ii) pre-registration, (iii) reproducibility, (iv) replications,…
Read MoreIN THE NEWS: The Economist (June 18, 2016)
[From the article “Come Again”]: “The GRIM test, short for granularity-related inconsistency of means, is a simple way of checking whether the results of small studies of the sort beloved of psychologists (those with fewer than 100 participants) could be…
Read MoreIN THE NEWS: NY Times (May 27, 2016)
In an article entitled “Why Do So Many Studies Fail to Replicate,” Jay Van Bavel, an associate professor of psychology at NYU, writes: “In a paper published on Monday in the Proceedings of the National Academy of Sciences, my collaborators…
Read MorePublication 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….
Read MoreSo Is There a Replicability Crisis? Or What?
[From the blog Core Economics] Experimental economist ANDREAS ORTMANN reflects on the recent replicability studies in psychology and economics and tackles the question of what it all means. The article is entitled, “So, is there a crisis? Or is there…
Read MoreRecap of the Current “Replicability Crisis” in Psychology: No Pain No Gain?
[From the article “What psychology’s crisis means for the future of science” in Vox] This article provides a nice summary of the recent controversy about replicability in psychology. It concludes that this period of introspection is ultimately good for that discipline. To…
Read MoreMaybe 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…
Read MoreReplication Bombshells in Psychology: They Just Keep Coming
[From the article “Everything is Crumbling” in Slate] “A paper now in press, and due to publish next month in the journal Perspectives on Psychological Science, describes a massive effort to reproduce the main effect that underlies [the psychological theory of ego…
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