David C. Vaidis
@vaidis.bsky.social
Professor in Social Psychology at Université de Toulouse, France
Interested in Psychological Science, Cognitive Dissonance, Meta-Science, Epistemology, History of Science, Societal Impact, Human Development...
Interested in Psychological Science, Cognitive Dissonance, Meta-Science, Epistemology, History of Science, Societal Impact, Human Development...
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 !
Merci aux collègues 🙏 @vincentyzerbyt.bsky.social & @marinerougier.bsky.social pour cette réactualisation et l'opportunité d'entrainer doctorant-e-s dans ces approches structurantes !
February 6, 2026 at 3:29 PM
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 !
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!
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!
Portail Emploi CNRS - Offre d'emploi - PhD contract on ANR COPYCAT : "Study of the relationship between conspiracist beliefs and perceptions of corruption" M/F
Assurez-vous que votre profil candidat soit correctement renseigné avant de postuler
emploi.cnrs.fr
January 22, 2026 at 8:39 AM
📢 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!
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!
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.
January 9, 2026 at 8:40 AM
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.
Reposted by David C. Vaidis
Please, don't automate science!
Julian Togelius
Monday, December 08, 2025
togelius.blogspot.com/2025/12/plea...
Julian Togelius
Monday, December 08, 2025
togelius.blogspot.com/2025/12/plea...
Please, don't automate science!
I was at an event on AI for science yesterday, a panel discussion here at NeurIPS. The panelists discussed how they plan to replace humans a...
togelius.blogspot.com
December 8, 2025 at 11:07 AM
Please, don't automate science!
Julian Togelius
Monday, December 08, 2025
togelius.blogspot.com/2025/12/plea...
Julian Togelius
Monday, December 08, 2025
togelius.blogspot.com/2025/12/plea...
Reposted by David C. Vaidis
📢 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).
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).
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!
buff.ly
December 9, 2025 at 4:02 PM
📢 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).
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).
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.
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...
www.reuters.com
December 16, 2025 at 7:46 PM
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.
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
Spoiler: not the bombshell some claim.
#SocialPsychology #CognitiveDissonance
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.....
onlinelibrary.wiley.com
November 8, 2025 at 12:54 PM
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
Spoiler: not the bombshell some claim.
#SocialPsychology #CognitiveDissonance
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
November 3, 2025 at 11:40 AM
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
Replication Research is a diamond open access journal dedicated to robust, transparent and reproducible science.
#OpenScience #ScientificPublication #Replication #OpenAccess
Replication Research
Replication Research is a diamond open-access and researcher-led journal that publishes reproductions, replications, and conceptual articles on repetitive research
www.uni-muenster.de
October 10, 2025 at 10:57 AM
🎉👶 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
Replication Research is a diamond open access journal dedicated to robust, transparent and reproducible science.
#OpenScience #ScientificPublication #Replication #OpenAccess
Reposted by David C. Vaidis
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.
Tip: read the last sentence to understand what went wrong here.
Sigh.
August 4, 2025 at 10:17 PM
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.
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
August 12, 2025 at 3:32 PM
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...
www.sciencedirect.com/science/arti...
Redirecting
doi.org
August 10, 2025 at 9:38 AM
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...
www.sciencedirect.com/science/arti...
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
#psysci
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 ...
bigteamscienceconference.github.io
July 8, 2025 at 5:56 AM
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
#psysci
Reposted by David C. Vaidis
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
✔️ Research funding from SIPS (up to $2,000 USD)
✔️ A recommendation decision from PCI-RR.
Deadline: August 1st.
🔗 More details: buff.ly/AigqCod
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…
improvingpsych.org
July 7, 2025 at 5:36 PM
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
✔️ 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!
NEW: Statement from the PCI RR Managing Board on the withdrawal of Infant and Child Development as a PCI RR-friendly journal, and the decision by Wiley to refuse preprints that have been peer-reviewed by @peercommunityin.bsky.social / @pci-regreports.bsky.social
Read here ➡️ osf.io/tn8mh
Read here ➡️ osf.io/tn8mh
June 17, 2025 at 2:37 PM
Shame on Wiley!
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
🧪 Underfunded labs
🧠 Brain drain
🏫 Poor faculty conditions
Investing in the future isn’t optional.
#Research #Science #France #WhereGoesTaxes
June 3, 2025 at 3:23 PM
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
🧪 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
Thanks for the engaging talk at the #AtelierMMS (Methodology, MetaScience & Stats Lab Meeting). #UniversitéDeToulouse #UT2J
May 22, 2025 at 1:29 PM
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
Thanks for the engaging talk at the #AtelierMMS (Methodology, MetaScience & Stats Lab Meeting). #UniversitéDeToulouse #UT2J
Our EIM model paper with Ben Aubert-Teillaud and Alex Bran "Expectation violation and cognitive dissonance theory" was among the top 10% most viewed in EJSP in 2023... Good for an 'august' paper ! 😏
📄 onlinelibrary.wiley.com/doi/full/10....
#CognitiveDissonance #FormalizedModel #SocialPsychology
📄 onlinelibrary.wiley.com/doi/full/10....
#CognitiveDissonance #FormalizedModel #SocialPsychology
Expectation violation and cognitive dissonance theory: Proposal for an epistemic inconsistency management model
A crucial dilemma for any individual facing contradictory information is whether to maintain or disengage from an expectation. Cognitive dissonance theory offers an influential model of these situati...
onlinelibrary.wiley.com
April 16, 2025 at 12:21 PM
Our EIM model paper with Ben Aubert-Teillaud and Alex Bran "Expectation violation and cognitive dissonance theory" was among the top 10% most viewed in EJSP in 2023... Good for an 'august' paper ! 😏
📄 onlinelibrary.wiley.com/doi/full/10....
#CognitiveDissonance #FormalizedModel #SocialPsychology
📄 onlinelibrary.wiley.com/doi/full/10....
#CognitiveDissonance #FormalizedModel #SocialPsychology
Comment aider les chercheurs disposant de moins de ressources ou des réseaux moins développés à faire de la recherche ? L'étude bit.ly/GrEenwIch cartographie cela et s'adresse à des C, EC et post-doc. 20GBP à la clé pour les participants (voucher ou don). #FrenchAcademic #recherche à diffuser
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bit.ly
April 5, 2025 at 7:30 AM
Comment aider les chercheurs disposant de moins de ressources ou des réseaux moins développés à faire de la recherche ? L'étude bit.ly/GrEenwIch cartographie cela et s'adresse à des C, EC et post-doc. 20GBP à la clé pour les participants (voucher ou don). #FrenchAcademic #recherche à diffuser
Toulouse University, France, offers refuge to US researchers in fields under threat by the Trump administration.
www.univ-toulouse.fr/actualites/c...
#UniversitédeToulouse #Academicsky #ScienceNotSilence
www.univ-toulouse.fr/actualites/c...
#UniversitédeToulouse #Academicsky #ScienceNotSilence
La communauté universitaire toulousaine tend la main aux chercheurs américains en difficulté | Communauté d'universités et établissements de Toulouse
Face aux menaces et aux coupes budgétaires drastiques et ciblées qui frappent la recherche aux États-Unis, le site universitaire toulousain propose d’accueillir des chercheuses et chercheurs dont les ...
www.univ-toulouse.fr
April 1, 2025 at 12:36 PM
Toulouse University, France, offers refuge to US researchers in fields under threat by the Trump administration.
www.univ-toulouse.fr/actualites/c...
#UniversitédeToulouse #Academicsky #ScienceNotSilence
www.univ-toulouse.fr/actualites/c...
#UniversitédeToulouse #Academicsky #ScienceNotSilence
⚠️ Nous recherchons des chercheur-euse-s (C, EC, post-doc) pour participer à une étude collaborative internationale menée par l'Université de Greenwich. #FrenchAcademic #FrenchUniversities
📌 Lien vers l’étude : bit.ly/GrEenwIch
Attention : les doctorants ne font pas partie de la population cible.
📌 Lien vers l’étude : bit.ly/GrEenwIch
Attention : les doctorants ne font pas partie de la population cible.
March 18, 2025 at 1:32 PM
⚠️ Nous recherchons des chercheur-euse-s (C, EC, post-doc) pour participer à une étude collaborative internationale menée par l'Université de Greenwich. #FrenchAcademic #FrenchUniversities
📌 Lien vers l’étude : bit.ly/GrEenwIch
Attention : les doctorants ne font pas partie de la population cible.
📌 Lien vers l’étude : bit.ly/GrEenwIch
Attention : les doctorants ne font pas partie de la population cible.
Reposted by David C. Vaidis
How accurately do citations reflect the original research? Do authors truly engage with what they cite?
In a new study, we analyze millions of citation sentence pairs to measure citation fidelity and how it varies depending on authors’ engagement with prior literature.
arxiv.org/abs/2502.20581
⬇️
In a new study, we analyze millions of citation sentence pairs to measure citation fidelity and how it varies depending on authors’ engagement with prior literature.
arxiv.org/abs/2502.20581
⬇️
March 11, 2025 at 1:29 AM
How accurately do citations reflect the original research? Do authors truly engage with what they cite?
In a new study, we analyze millions of citation sentence pairs to measure citation fidelity and how it varies depending on authors’ engagement with prior literature.
arxiv.org/abs/2502.20581
⬇️
In a new study, we analyze millions of citation sentence pairs to measure citation fidelity and how it varies depending on authors’ engagement with prior literature.
arxiv.org/abs/2502.20581
⬇️
Another time, other practices, other threats. Yet in this dark period, Merton's take on the norms of science remains strikingly contemporary, relevant and necessary! #ElonMusk #Science #Openscience #Metascience #academicsky
law.unimelb.edu.au/__data/asset...
law.unimelb.edu.au/__data/asset...
law.unimelb.edu.au
March 6, 2025 at 3:02 PM
Another time, other practices, other threats. Yet in this dark period, Merton's take on the norms of science remains strikingly contemporary, relevant and necessary! #ElonMusk #Science #Openscience #Metascience #academicsky
law.unimelb.edu.au/__data/asset...
law.unimelb.edu.au/__data/asset...
A meta-epistemological problem... In short, this resolves the replication crisis with an upper class problem, as understanding knowledge itself IS the problem! Happy Friday.
The tautology problem of epistemology
Epistemology is faced with a fundamental dilemma that is reminiscent of Baron Munchausen’s famous attempt to pull oneself out of the swamp…
medium.com
February 28, 2025 at 8:50 AM
A meta-epistemological problem... In short, this resolves the replication crisis with an upper class problem, as understanding knowledge itself IS the problem! Happy Friday.