Gian Wegmueller
giwe00.bsky.social
Gian Wegmueller
@giwe00.bsky.social
MSc in Psychology🥸 he/him

Meta Science | Research Integrity | Methodology | Data Analysis | and everything cycling related 🚴🏼‍♂️
Reposted by Gian Wegmueller
Diederik Stapel was a massive watershed moment in psychology.

However, he was -- and let's be slightly glib here -- some guy from The Netherlands who wrote social psychology papers.

The full accounting of the Eysenck case is approx, at minimum, TWO STAPELS.

retractionwatch.com/2025/12/03/n...
Number of ‘unsafe’ publications by psychologist Hans Eysenck could be ‘high and far reaching’
Hans Eysenck A “high and far reaching” number of papers and books by Hans Eysenck could be “unsafe,” according to an updated statement from King’s College London, where the psychologist was a profe…
retractionwatch.com
December 3, 2025 at 5:34 PM
Reposted by Gian Wegmueller
"In 2019 we notified journals about serious integrity concerns in 172 clinical trials. Over five years later, only 22 have been retracted. The 135 unretracted trials have 1989 citations in systematic reviews, clinical guidelines, and consensus statements"

[paraphrased]
www.bmj.com/content/390/...
November 28, 2025 at 10:11 AM
Reposted by Gian Wegmueller
Social scientists should not use chat interfaces when using LLMs in their research: they are impressively inefficient, and obscure/impose important methodological decisions that require thought.

THREAD🧵
June 23, 2025 at 4:31 PM
Reposted by Gian Wegmueller
I think that is also one of the hardest realizations for students, the point where it becomes clear that large parts of the literature don't serve any higher purpose. They just keep literatures and careers alive.
June 20, 2025 at 7:24 AM
Reposted by Gian Wegmueller
Good Science

xkcd.com/3101/
June 12, 2025 at 8:28 PM
Reposted by Gian Wegmueller
Harvard university’s top governing board, the Harvard Corporation, decided this month to revoke Francesca Gino’s tenure and end her employment at Harvard Business School www.wgbh.org/news/educati...
In extremely rare move, Harvard revokes tenure and cuts ties with star business professor
An internal investigation had found that Harvard Business School professor Francesca Gino’s research on why people lie and cheat was based on falsified data.
www.wgbh.org
May 25, 2025 at 10:39 PM
Reposted by Gian Wegmueller
New post: I was curious about the consensus statement on social media effect and wondered how the sausage gets made.
rubenarslan.github.io/posts/2025-0...
One lives only to make blunders: Consensus: How the sausage gets made
What can we learn about the experts involved in the recent social media effects consensus preprint and what does that say about the consensus.
rubenarslan.github.io
May 20, 2025 at 7:35 AM
Reposted by Gian Wegmueller
New systematic review and meta‐analysis looks at

-harm reporting
-risk of bias
-action mechanism specification
-incremental therapeutic effect size

in psilocybin-for-depression RCT literature. I'll briefly summarize below. 🧵

🧪 #psychscisky #episky #medsky #psychiatry
April 25, 2025 at 7:52 AM
Reposted by Gian Wegmueller
I asked DeepSeek to develop a scale to measure addiction to addiction scale development and of course it delivered.
March 25, 2025 at 2:34 PM