David C. Vaidis

3rd edition of the French version of: Correll et al. (2026). Analyse des données : une approche par comparaison de modèles. De Boeck.

Réception de la 3e édition de l'incontournable Analyse des Donnees : Approche par Comparaison de Modèles.
Merci aux collègues 🙏 @vincentyzerbyt.bsky.social & @marinerougier.bsky.social pour cette réactualisation et l'opportunité d'entrainer doctorant-e-s dans ces approches structurantes !

📢 Post-doc position – Toulouse (France) 🇫🇷
A post-doctoral position (12 months) is open at CNRS in Toulouse to work with me on the relationship between signal detection theory, conspiracy beliefs, and perceptions of corruption...
🔗 emploi.cnrs.fr/Offres/CDD/U...
Feel free to share!

happy new year 2006 (crossed) better new year (crossed) Good luck! with a sad smile.

I'm not a big fan of rituals, but I truly wish us all a better world! Let's remember that people are not their governments. Several of the latter must be stopped now, while many of the former must be supported and empowered to change the game.

Please, don't automate science!
Julian Togelius

Monday, December 08, 2025

togelius.blogspot.com/2025/12/plea...

SIPS 2026 – June 8-10, 2026 The submission portal for the conference is now open! We invite researchers to submit their contributions for both online and in-person SIPS 2026. We look forward to your participation!

📢 Call for submissions for #SIPS2026!📢

The SIPS community will meet next year, and we look forward to seeing you at the conferences!

Don't forget to send your submission for the conference before January 23 (for the in-person conference) or February 27 (for the online conference).

US social media requirements for foreign visitors could have 'chilling effect' on travel, industry group says A group representing the U.S. travel and tourism industry warned Monday that a proposal to require millions of foreign visitors to provide social media handles used over the past five years could have...

What is the current position of @improvingpsych.org concerning the Washington meeting after the last Trump's administration proposal? Requiring 5 years of social media history, phone numbers, and email addresses is invasive and concerning for anyone who values privacy and freedom of thought.

Moreover, self-persuasion as well as self-perception do not rely on discomfort. Anyway, it makes me a feeling of déjà-vu and I believe we already had this discussion before! :) My main conclusion with the RRR is that the paradigm is flaw, but I cannot discard the whole theory with this results.

Yes but they were all informed about this tuition raise so they should all experienced such discomfort thus? But we observed the discomfort and conflict in the inconsistency behavior conditions with all ds > .66 and they all answered the same item about attitude. Not perfect, but not discarding.

It does make sense to consider that changing the others is a way to make the social reality consistent with your thoughts but the current experimental or observational evidence are scarce.

Only a few models, like the EIM could explain proselytism. More generally, the most common reactions to disconfirmation are maintain or change (or assimilation/accommodation, or exploitation/exploration; depending on your theoretical background), not proselytism.

I really did not want to write on this but as many people talk about it, I think it is necessary to restate some basic elements. The proselytism has never been a strong assumption (this is even sometime hard to explain why it should occurs).

You should read Chapanis & Chapanis (1964)! They had almost the same conclusions more than 60 years ago! So nothing new here. But things move forward in the meantime.

So hard critic is okay to move forward but Science is much more.
a/ Read the papers (not just abstracts)
b/ Put them in perspective with the full literature
Critique the ethics AND maintain scientific rigor.
#replication #cognitivedissonance #scienticrigor

Bottom line: Yes, condemn the unethical methods. But don't dismiss cognitive dissonance theory based on one inconsistent secondary effect.
We must be serious in engaging in Science.

The proselytism effect was never robust.
Hardyck & Braden (1962)—just 6 years later!—found disconfirmation and maintenance of the belief but NO proselytism. Batson (1975) confirmed: not everyone becomes a proselyte after disconfirmation.
#replication

Kelly (2025) emphasizes two points: a) unethical research methods and b) lack of proselytism effects.
I completely agree the ethics were problematic—this has plagued social psychology for decades (see: Belmont Report, Milgram, Zimbardo).
#ResearchEthics #PsychologyResearch

Debunking “When Prophecy Fails” In 1954, Dorothy Martin predicted an apocalyptic flood and promised her followers rescue by flying saucers. When neither arrived, she recanted, her group dissolved, and efforts to proselytize ceased.....

I didn't want to get into this discussion, but after seeing strong reactions to Kelly (2025), I think it's worth helping colleagues think more critically about what the paper actually shows—and doesn't show.
Spoiler: not the bombshell some claim.
#SocialPsychology #CognitiveDissonance

Good to see that some people are still reading the full paper and not only the abstract. I think Science would thank you if it can. :)

a slide of presentation of a talk about cognitive dissonance and the replication crisis

Excited to be in Limerick for a few days, collaborating with @paulmaher.bsky.social, and presenting a talk today on cognitive dissonance and the replication crisis! @ulpsych.bsky.social

🎉👶 Welcome to the last new born in the Open Science effort!
Replication Research is a diamond open access journal dedicated to robust, transparent and reproducible science.

#OpenScience #ScientificPublication #Replication #OpenAccess

Domain-General Cognitive Ability In subject area: Psychology Domain-general cognitive abilities refer to cognitive skills that are not unique to humans but are present across various primate species and potentially other mammals and birds, indicating a general factor underlying cognitive performance that correlates with brain size and is associated with selective attention and working memory capacity. AI generated definition based on: Trends in Cognitive Sciences, 2012

Was looking into what Cognitive Scientists mean by ‘domain-general’ cognition, and then hit upon this. This is definitely NOT how we use that term.

Tip: read the last sentence to understand what went wrong here.

Sigh.

Oups. 😄 It seems my close colleague forgot to cut my joke at the end of the sentence... And then not the editor, nor the people in charge of editing considered necessary to change it before publication! #SciencePublication #FunButSad #SadButTrue #FrenchAcademic

240,245 participants in a single study, not too bad. The effect size is modest, but ecological validity is high due to real-world implementation! #BehavioralScience #SocialPsychology #Megastudy #ClimateChange #ImplementationScience
www.sciencedirect.com/science/arti...

submissions >>> Submit your abstract here! Submissions for all session types are now open! * *Panels, hackathons, and symposia:* maximum 500 words * *Talks, lightning talks, and unconferences:* maximum 250 words ...

The 4th Big Team Science Conference (aka #BTSCON) will be held online October 6-8. A unique opportunity to discuss, join and anticipate the future of BTS. Registration is free/'what you can' but beware submission deadline is short! (31st July). bigteamscienceconference.github.io/submissions/
#psysci

June 2025 The Society for the Improvement of Psychological Science (SIPS) and Peer Community In Registered Reports (PCI-RR), together invite researchers to submit empirical research projects for consideration…

Awarded projects will receive:
✔️ Research funding from SIPS (up to $2,000 USD)
✔️ A recommendation decision from PCI-RR.

Deadline: August 1st.

🔗 More details: buff.ly/AigqCod

Shame on Wiley!

Ce fut une rencontre fort plaisante. Encore merci à tou•tes les communicant•es, au comité d'organisation et à toutes les personnes ayant assistées au CJC2025.

A bientôt pour une prochaine rencontre de l'ADRIPS !

#ADRIPS #CJC2025 #Besançon

Et entre les deux... on arrête de se poser la question par peur de trouver une réponse !

In France, only 3% of public spending goes to research — just €27B budgeted for 2025. Shockingly low for a country that prides itself on innovation.

🧪 Underfunded labs
🧠 Brain drain
🏫 Poor faculty conditions

Investing in the future isn’t optional.
#Research #Science #France #WhereGoesTaxes

Great having @protzko.bsky.social at the (big) Lab these past two weeks! Inspiring discussions and exciting ideas in #metascience.
Thanks for the engaging talk at the #AtelierMMS (Methodology, MetaScience & Stats Lab Meeting). #UniversitéDeToulouse #UT2J