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Retraction Watch

Tracking retractions as a window into the scientific process

Archive for the ‘diederik stapel’ Category

This is 40 (and 41): More retractions for Diederik Stapel

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stapel_npcIt turns out we missed two more recent retractions from Diederik Stapel. They were nestled in the table of contents of the Journal of Personality and Social Psychology that contained four retractions we covered last week.

The notices, for “Method matters: Effects of explicit versus implicit social comparisons on activation, behavior, and self views” (cited 48 times, according to Thomson Scientific’s Web of Knowledge) and “From seeing to being: Subliminal social comparisons affect implicit and explicit self-evaluations” (cited 95 times), both say the same thing: Read the rest of this entry »

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Written by ivanoransky

January 24, 2013 at 10:42 am

The 39 retractions: Stapel’s count rises again

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stapel_npcIt’s getting hard to keep up. A day ago, we noted that Diederik Stapel’s retraction count had risen to 38. But later in the day, we heard about number 39, from the European Journal of Social Psychology.

Here’s the notice for “Making sense of war: Using the interpretation comparison model to understand the Iraq conflict”: Read the rest of this entry »

Stapel retraction count rises to 38

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stapel_npcDiederik Stapel’s 35th through 38th retractions have appeared, all in the Journal of Personality and Social Psychology.

Two of the notices — for “The self salience model of other-to-self effects: Integrating principles of self-enhancement, complementarity, and imitation” (cited 31 times, according to Thomson Scientific’s Web of Knowledge) and “Distinguishing stereotype threat from priming effects: On the role of the social self and threat-based concerns” (cited 20 times) — read as follows: Read the rest of this entry »

Written by ivanoransky

January 22, 2013 at 9:17 am

Diederik Stapel earns 33rd and 34th retractions

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stapel_npcTwo more retractions for Diederik Stapel, his 33rd and 34th, by our count.

The Journal of Experimental Social Psychology, which has been a frequent subject of Retraction Watch posts recently, has retracted “Similarities and differences between the impact of traits and expectancies: What matters is whether the target stimulus is ambiguous or mixed:” Read the rest of this entry »

Retraction 32 appears for Diederik Stapel

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stapel_npcDiederik Stapel has another retraction, his 32nd.

Here’s the notice, for “”Information to go: Fluency enhances the usability of primed information,” which first appeared in 2010 in the Journal of Experimental Social Psychology: Read the rest of this entry »

Written by ivanoransky

January 10, 2013 at 8:30 am

Going Dutch: Stapel inquiry eyes credulous colleagues, institution, prompts national soul search

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Dutch investigators have released their final report into the case of Diederik Stapel, the social scientist and erstwhile faculty member at Tilburg University who fabricated data in 55 articles and book chapters. So far, 31 of Stapel’s published papers have been retracted — three others have expressions of concern — although more might follow.

In addition, 10 dissertations by students Stapel supervised were found to contain fraudulent data, although those students were cleared of any wrongdoing in the inquiry.

The report — and we’re going by rough translations here — found that Stapel’s colleagues and administrators seemed to accept his results at face value. Meanwhile, his high profile at Tilburg insulated him against initial rumblings about problems with his data. As the Dutch paper NRC Handelsblad reported: Read the rest of this entry »

Written by amarcus41

November 29, 2012 at 2:34 pm

Diederik Stapel notches retractions 29, 30, and 31

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Diederik Stapel has three more retractions, making 31.

The most recent three we’ve found all appear in the European Journal of Social Psychology: Read the rest of this entry »

And then there were 28: Two more retractions for Diederik Stapel

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Achtentwintig.

That’s 28 in Dutch, and is the number of retractions so far racked up by Diederik Stapel, according to our count.

The latest two to come to our attention are in the British Journal of Social Psychology, where Stapel has already had a retraction.

Here’s one notice: Read the rest of this entry »

Lemus, Stapel each rack up another retraction

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The retraction counts keep mounting for two Retraction Watch frequent flyers.

First, Diederik Stapel’s 26th retraction, according to our count. Psychologist Stapel admitted to making up data in dozens of studies, and is also facing a criminal inquiry for misuse of funds.

Here’s the notice: Read the rest of this entry »

Diederik Stapel faces criminal inquiry for misuse of funds

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The Dutch media are reporting that Diederik Stapel, the Tilburg University social psychologist who fabricated data in dozens of studies, is facing a criminal probe for his misuse of some 2.2 million euros (roughly $2.8 million U.S.) in government grant funding.

A Retraction Watch commenter tipped us off this morning that the newspaper NRC Handelsblad reports (thanks to Google Translate): Read the rest of this entry »

Written by amarcus41

October 2, 2012 at 9:37 am

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