Štěpán Bahník
bahniks.bsky.social
Štěpán Bahník
@bahniks.bsky.social
psychologist interested in judgment & decision making, methodology, programming; associate professor at the Prague University of Economics and Business
Selection effects and long-term group processes are often ignored in psychology and we also provide some methodological recommendations. We have other papers that try to take self-selection seriously in studies of cheating. But the idea can be extended to other topics.
October 15, 2025 at 4:11 PM
Some commonly proposed interventions might not work in a real-world organization context because of the processes described in the paper.
October 15, 2025 at 4:11 PM
The proposed model includes a positive feedback loop, meaning that even a slight tendency for, e.g., (self-)selection of dishonest people in an organization can result in fully corrupt organization after some time.
October 15, 2025 at 4:11 PM
Reposted by Štěpán Bahník
I argue that the time is right for widespread adoption of open review platforms like PREreview (prereview.org) and Review Commons (www.reviewcommons.org) and reject the arbitrary administrative overhead imposed on us by the publication industry.
October 14, 2025 at 9:29 AM
Reposted by Štěpán Bahník
🧌This "bestiary" can be a vital resource for researchers, educators, and reviewers to recognize, understand, and mitigate QRPs, ultimately raising the standard of psychological research. Read the full article here: journals.sagepub.com/doi/10.1177/...
Bestiary of Questionable Research Practices in Psychology - Tamás Nagy, Jane Hergert, Mahmoud M. Elsherif, Lukas Wallrich, Kathleen Schmidt, Tal Waltzer, Jason W. Payne, Biljana Gjoneska, Yashvin Seet...
Questionable research practices (QRPs) pose a significant threat to the quality of scientific research. However, historically, they remain ill-defined, and a co...
journals.sagepub.com
July 11, 2025 at 8:52 AM
We show that cheaters are willing to pay to be able to cheat even when cheating leads to a loss for a charity.

Honest participants do not overbid the cheaters to prevent the them from harming the charity.

The payment also seems to lead the cheaters to cheat even more to compensate for the costs.
July 1, 2025 at 4:06 PM
> However, the new study directly tested this explanation and did not find support for it. It does not explain the null effects in other studies well too.

At this point, more replications of fluency effect would be useful to find out on which effects it is possible to build.
June 13, 2025 at 7:15 AM
> I do not follow the literature closely anymore, but it does not seem to me that there is an accepted explanation why some effects replicate and others do not. One explanation was that the effect requires a comparison of fluency levels. That is, it would work only in within-subject designs. >
June 13, 2025 at 7:05 AM
> That does not mean that fluency research is all false. In the paper from the previous post, we for example replicated the association between pronounceability and judgment of novelty. In another paper of mine, more difficult-to-pronounce pseudowords were liked less: bahniks.com/files/disflu... >
June 13, 2025 at 7:01 AM
> In our paper, we found that an effect of pronounceability on judgment of harmfulness replicates only with the stimuli used in the original study, but not with newly created stimuli (a blog post about this study: bahniks.com/if-its-easy-... ):
bahniks.com/files/fluenc... >
June 13, 2025 at 6:57 AM
> A famous effect of font legibility on deliberate processing failed to replicate in Many Labs 2: >
June 13, 2025 at 6:54 AM
If you were interested in reading more about it, I have two relevant review papers: bahniks.com/files/anchor... and osf.io/preprints/ps...
bahniks.com
May 24, 2025 at 8:49 PM
There are multiple explanations for the anchoring effect. Research suggesting operation of numeric priming largely does not replicate. Selective accessibility model postulates a two-stage process, the second of which is akin to a priming effect and there the evidence is more equivocal.
May 24, 2025 at 8:48 PM
We wrote about this 10 years ago: bahniks.com/good-things-...
Good things about pre-registration | Štěpán Bahník
bahniks.com
April 12, 2025 at 6:15 AM