Facebook study retracted after authors request substantial changes

The journal Cyberpsychology, Behavior, and Social Networking is retracting a paper about Facebook.

“Bridging the Gap on Facebook: Assessing Intergroup Contact and Its Effects for Intergroup Relations,” is by Sandy Schumann of the Free University of Brussels. The notice says only:

This article has been officially retracted from the Journal.

We asked journal editor Brenda K. Wiederhold for more information about the retraction, and she responded:

“When we wonder what it all means”: Stapel retraction count rises to 49

Diederik Stapel is up to 49 retractions.

Here are the latest three, from Personality and Social Psychology Bulletin:

Retraction 46 arrives for Diederik Stapel

Diederik Stapel has a new retraction, his 46th.

Here’s the notice for “The effects of diffuse and distinct affect. ” by Diederik A. Stapel, Willem Koomen and Kirsten I. Ruys, which appeared in the Journal of Personality and Social Psychology in 2002:

Stapel watch reaches 45 retractions

Keeping up with the retraction count of Diederik Stapel is proving to be a, well, staple of this job. Four more retractions brings the figure to 45.

The articles in question are:

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

It 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:

The 39 retractions: Stapel’s count rises again

It’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”:

Stapel retraction count rises to 38

Diederik 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:

Diederik Stapel earns 33rd and 34th retractions

Two 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:”

Retraction eight appears for social psychologist Lawrence Sanna

Earlier this week, we reported on retractions six and seven , in the Journal of Experimental Social Psychology, for Lawrence Sanna, the former University of Michigan psychologist who resigned last May after questions were raised about his work. Retraction eight has now appeared, also in the JESP.

Here’s the notice for “When thoughts don’t feel like they used to: Changing feelings of subjective ease in judgments of the past:”

Retraction 32 appears for Diederik Stapel

Diederik 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: