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Olivier Klein

@olivierklein.bsky.social
4K followers 1.2K following 132 posts

Professor of social psychology at Université libre de Bruxelles, Belgium. Daily 🚴 .

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Olivier Klein @olivierklein.bsky.social · 03/07/2026
Thank you, Marlene! And congrats for the great work.
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Olivier Klein @olivierklein.bsky.social · 14/04/2026
La psychologie francophone a perdu une de ses “voix”. Une spécialiste de la psychologie du numérique qui s’était notamment distinguée par ses talents de médiatrice scientifique. Quelle tristesse!
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Olivier Klein @olivierklein.bsky.social · 14/04/2026
Je suis atterré d’apprendre cette nouvelle. J’appréciais beaucoup son travail et avais eu des échanges très riches et chaleureux avec elle. Toutes mes condoléances.
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Kevin Collins @kwcollins.bsky.social · 11/04/2026
An mRNA treatment for PANCREATIC CANCER was in trials, among many other uses. Choosing to end this research is choosing to sentence millions to an early, painful death
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Milgram de Savoirs @milgrampodcast.bsky.social · 01/04/2026
Face à une actualité anxiogène, comment accompagner les enfants à y faire face? @olivierklein.bsky.social, professeur en psychologie sociale de ULB nous donnent quelques éléments de réponse à travers ce nouveau 100g 🤩 👉https://milgram.ulb.be/100g/episodes-100g/enfants_actualite/ 📷 Fer Troulik
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Paul Bertin @paulbertin.bsky.social · 04/03/2026
Want to come work with @olivierklein.bsky.social and me on a socially relevant topic in a warm research center full of amazing people, in the no-less international and vibrant city of Brussels? And for three years, full-time? Then apply by April 15! More details here: lnkd.in/erXmpcBm
lnkd.in
LinkedIn
This link will take you to a page that’s not on LinkedIn
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Olivier Klein @olivierklein.bsky.social · 26/02/2026
Ça fait plaisir de vous retrouver ici. Ça fait longtemps!
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Genavee Brown @genaveebrown.bsky.social · 20/02/2026
HDR Defended ✅ Thank you to everyone for all your support during the process. Special thanks to my jury members @olivierklein.bsky.social @majabecker.bsky.social Maire-Pierre Fourquet-Courbet, Bo Sanisito, Pascal Huguet and Nicolas Michinov.
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Eric Umansky @ericumansky.bsky.social · 05/01/2026
WH sources say Venezuela's opposition leader committed the "ultimate sin": She accepted the Nobel Peace prize. “If she had turned it down and said, ‘I can’t accept it because it’s Donald Trump’s,’ she’d be the president of Venezuela today,” one said. www.washingtonpost.com/national-sec...

Although Machado ultimately said she was dedicating the award to Trump, her acceptance of the prize was an “ultimate sin,” said one of the people.

“If she had turned it down and said, ‘I can’t accept it because it’s Donald Trump’s,’ she’d be the president of Venezuela today,” this person said.
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Craig Aaron @notaaroncraig.bsky.social · 24/12/2025
“Chilling and unconstitutional” — @attorneynora.bsky.social @freepress.bsky.social
nytimes.com
U.S. Bars 5 European Tech Regulators and Researchers
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Paul Fairie @paulisci.bsky.social · 22/12/2025
The 2025 Headline of the Year Nominees 🧵
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Kenzo Nera @kenzonera.bsky.social · 17/12/2025
This was not an easy one to write, but here it is! 🎈🤡 Freshly published in Collabra: Psychology: the life and death of one of the coolest findings in my PhD dissertation. 🎈🤡 With the usual – and wonderful – Karen M. Douglas, @paulbertin.bsky.social, and @olivierklein.bsky.social. 1/11
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Olivier Klein @olivierklein.bsky.social · 16/12/2025
My pleasure 😉
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Laurence Dierickx @ohmyshambles.bsky.social · 14/12/2025
I love when colleagues share amazing stories with me! Thanks @olivierklein.bsky.social They Droned Back - Young journalists expose Russian-linked vessels circling off the Dutch and German coast www.digitaldigging.org/p/they-drone...
digitaldigging.org
They Droned Back
Young journalists expose Russian-linked vessels circling off the Dutch and German coast
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Olivier Klein @olivierklein.bsky.social · 16/12/2025
New publication led by @kenzonera.bsky.social. A very instructive set of studies if you want to teach about transparency and replication.
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Brent Toderian @brenttoderian.bsky.social · 08/12/2025
This iconic Fabian Todorovic cartoon is still one of the best I’ve seen at illustrating the remarkable amount of space we surrender to cars, leaving little space left for everyone and everything else. The text added later makes the bonus point that many drivers still manage to complain about it.
Iconic cartoon showing a single driver in a wide car taking up most of the street space. With many people crammed into the bus, bike and pedestrian space left over. Someone later added a voice box with the driver saying “Damn those bike paths and bus lanes taking all the space!”
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Leah McElrath @leahmcelrath.bsky.social · 04/12/2025
“The paper warned that, in an extreme scenario, a highly persuasive AI chatbot ‘could benefit unscrupulous actors wishing, for example, to promote radical political or religious ideologies or foment political unrest among geopolitical adversaries.’” (I do not think this is an “extreme scenario”…)
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Josh McCrain @joshmccrain.bsky.social · 18/11/2025
new paper by Sean Westwood: With current technology, it is impossible to tell whether survey respondents are real or bots. Among other things, makes it easy for bad actors to manipulate outcomes. No good news here for the future of online-based survey research
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Linda Tropp @lindatropp.bsky.social · 20/11/2025
knowing many directly affected, I personally asked some senior male colleagues to speak out about this during my earlier years as a professor, as i felt too vulnerable due to my stage of career.. it was shocking how much this was 'common knowledge' among women and how few male colleagues knew 😔
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Fiona Kazarovytska @zakfio.bsky.social · 20/11/2025
Join us for the EASP 2026 Preconference: "Social Psychological Processes of Collective Memory" @easp2026.bsky.social ✨ With @olivierklein.bsky.social @jrvollhardt.bsky.social @michelletwali.bsky.social @elifsandal.bsky.social @laurentlicata.bsky.social Submit here: www.easp.eu/news/itm/cal...
easp.eu
CALL FOR SUBMISSIONS – EASP 2026 PRECONFERENCES
Social Psychology News Articles
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Olivier Klein @olivierklein.bsky.social · 20/11/2025
If you are interested in collective memory and plan to attend the EASP General Meeting in Strasburg, don't miss our preconference!
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Sydney Levine @sydneylevine.bsky.social · 14/11/2025
I'm recruiting a grad student! My lab at NYU (psych dept) studies the computational basis of moral cognition and aims to build AI systems that are aligned with human values. Now admitting a PhD student for Fall 2026. Apps due 12/1. sites.google.com/corp/site/sy...
sites.google.com
Sydney Levine - Open Positions
Graduate Students (PhD program) I will be accepting PhD students through the NYU psychology department for the current application cycle (for admission in Fall 2026). My lab is joint between the Co...
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Olivier Klein @olivierklein.bsky.social · 15/11/2025
“Deserve” sorry
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Olivier Klein @olivierklein.bsky.social · 15/11/2025
New publication. Congrats to the whole team, and especially @paulbertin.bsky.social who led this effort. Thanks also to the editor (Nicolas Sommet) and reviewers, who desserve credit for improving our paper.
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Sander van der Linden @profsanderlinden.bsky.social · 11/11/2025
Yes the BBC edit was poor journalistic form but the research indeed shows that Trump's speech predicted riots, violence, and weapons use on January 6th.
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Paul Bertin @paulbertin.bsky.social · 31/10/2025
Shout-out to the best possible team of co-authors: Elisa Tognon, @kenzonera.bsky.social, @rritabajraktari.bsky.social, Vincent Yzerbyt, @olivierklein.bsky.social, and Klein Pit (who originally started this project). OA here: onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
The Impact of Freedom of Speech on Conspiracy Beliefs
Conspiracy beliefs are often portrayed as a threat to democracies. However, less is known about the extent to which the state of democracy may affect conspiracy beliefs. Hence, we investigated the im...
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Kyle Griffin @kylegriffin1.bsky.social · 11/10/2025
A library director in Wyoming who was fired two years ago because she refused to remove books with sexual content and LGBTQ themes from a library's children and young adult sections has just been awarded $700,000 in a settlement. t.co/EA5L1kOZfV
t.co
https://www.nytimes.com/2025/10/09/us/wyoming-library-settlement-book-bans-terri-lesley.html?smtyp=cur&smid=fb-nytimes&fbclid=IwdGRjcANWLXdleHRuA2FlbQIxMQABHhlnY6nKj_j4zuP3VjNSstXWBaV1t8-sPQ5C3b_jS6WN...
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Edwy Plenel @edwyplenel.bsky.social · 18/09/2025
Cinq ans après la pandémie de Covid-19, l’autorité chargée de la politique vaccinale aux États-Unis se réunit à New York. Mais elle est désormais composée d’opposants aux vaccins nommés par le premier d’entre eux, le ministre de la santé Robert Kennedy Jr. www.mediapart.fr/journal/inte...
mediapart.fr
États-Unis : les antivax prennent le pouvoir sur la santé
L’autorité sanitaire chargée de la politique vaccinale se réunit jeudi et vendredi à New York. Mais cinq ans après le début de la pandémie de covid-19, elle est désormais composée d’opposants aux vac…
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Ben Williamson @benpatrickwill.bsky.social · 07/09/2025
Journal publishers *are* bundling your papers up in "data licensing agreements" for big tech companies to use for AI model training. Our publisher, T&F, got £75m from Microsoft for that last year alone.
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Adam Kucharski @adamjkucharski.bsky.social · 01/09/2025
Results so stunningly clear they inspired this classic xkcd (xkcd.com/2400/):
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Jessica Eaton @jessicaeaton.bsky.social · 30/08/2025
Wow and wow and WE MUST ALL DO THIS!!
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Olivier Klein @olivierklein.bsky.social · 29/08/2025
This post has not aged badly unfortunately.
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Annette Yoshiko Reed @annetteyreed.bsky.social · 27/08/2025
“Chicago has long helped to keep alive tiny fields & esoteric areas of humanistic study... Without the univ’s support, & the continued training of grad students who can keep these bodies of kn going, entire spheres of human learning might eventually blink out.” www.theatlantic.com/culture/arch...
theatlantic.com
If the University of Chicago Won’t Defend the Humanities, Who Will?
Why it matters that the University of Chicago is pausing admissions to doctoral programs in literature, philosophy, the arts, and languages
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Vincent Lemire @vincent-lemire.bsky.social · 23/08/2025
Plus envie d'argumenter, plus envie de documenter. Tout est là, sous nos yeux. Mais comment faire prendre conscience de ce qu'est une famine?
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samuel mehr @mehr.nz · 20/08/2025
My dept at the University of Auckland (NZ) will be hiring in social psych at the junior level this cycle. Official ad to follow It's a big research-active dept with fun colleagues, plus you can commute to uni on a boat, paired with a pleasant walk thru Albert Park (this pic from heading home today)
Late afternoon sun in Albert park
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Brent Toderian @brenttoderian.bsky.social · 19/08/2025
As our kids go #BackToSchool, never forget that we ARE the traffic that we’re afraid of. If more kids walked, biked or rode transit to school, it would erase a massive number of car trips each day, and our kids would be safer, healthier and better at school. HT Ian Lockwood. Spread the word.
Cartoon illustrating, how traffic induces more traffic. “There is too much traffic for Billy to walk to school, so we drive him.”
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Sciencepo ULB @sciencepoulb.bsky.social · 31/07/2025
[Job] The Policy Lab at @ulbruxelles.bsky.social seeks to recruit a postdoctoral researcher (full time, 2 years) in the framework of the project 'Metropolitan internet meets post-growth' Deadline: 30 August
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Olivier Klein @olivierklein.bsky.social · 31/07/2025
Merci pour ce gigantesque travail, qui n’a pas l’écho qu’il mérite.
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Julia M. Rohrer @dingdingpeng.the100.ci · 28/07/2025
New blog post! Calculating a correlation is easy enough. But let's say you calculated two of them and they happen to differ. What follows from that? Turns out there are too many moving parts for an easy answer. www.the100.ci/2025/07/28/w...
the100.ci
What’s in a correlation?
Correlation may not imply causation, but let’s just ignore that for a second. Correlations are standardized effect size metrics and as such have some quirks by design. These are benign enough when you...
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Julie Carpenter, PhD @jgcarpenter.com · 26/07/2025
I'm quoted in this piece. In short: do not use ChatGPT or any generative AI as a “therapist.” It’s not sentient. It doesn’t care. It may even lead people toward harm. And nothing shared is protected by HIPAA or real privacy standards; it's fodder for the machine. www.dazeddigital.com/life-culture...
dazeddigital.com
AI is transforming how we communicate in relationships
‘All I wanted was to feel seen, heard and understood by him, but instead, he was sending me a robot’s questions’
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Olivier Klein @olivierklein.bsky.social · 26/07/2025
www.nytimes.com/2025/07/26/w...
nytimes.com
No Proof Hamas Routinely Stole U.N. Aid, Israeli Military Officials Say
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Caroline Van Wynsberghe @carobxl.eurosky.social · 15/07/2025
"De grâce, que la Belgique ne réagisse pas trop tard. En commençant par manifester une indignation commune devant des menaces envers les magistrats, car cette indignation est le premier bouclier pour protéger les défenseurs de l’Etat."
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Olivier Klein @olivierklein.bsky.social · 10/07/2025
Great! And thanks for curating this list. Super useful and it’s indeed where the action happen(ed)s.
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Gordon Hodson @gordonhodsonphd.bsky.social · 09/07/2025
Clear advice from @catherinedevries.bsky.social on clear writing. Who could argue with such solid advice? (he naively asks the internet)
A Rough Guide to Writing Clearly
To write clearly is to take your readers seriously. It means refusing the safety of abstraction and meeting the moment with language that informs rather than obscures. In the spirit of Orwell’s rules, here’s a working checklist for writing clearly:

Spotlight our core claim: Don’t hide an argument behind abstraction. If we believe something, state it plainly. If we're uncertain, say so.

Define our terms: Especially in public writing, don’t assume our readers to share our definition of “liberalism,” “resilience,” or “hegemony.” And let’s be just as clear about what we don’t mean.

Be specific: Abstract claims are weaker than grounded ones. If we write that “many scholars argue,” be ready to name or quote them.

Trim the fat: Ask: Can this be said more clearly? More simply? Our reader’s time is precious, and we should respect it.

Avoid the passive: “The report was released” distances cause and effect. Say who did what: “The agency released the report.”

Check our tone: Clarity doesn’t require condescension. Be precise without being pedantic, concise without being abrupt.

Above all, write to be understood: Don’t write to be clever, to be admired, but write to connect.
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Adrien Fillon @adrienfillon.bsky.social · 09/07/2025
Is there a difference between falsification and refutation? Popper used the former in the book about logic of scientific discovery and the latter in the last (conjecture and refutation). And I never understood the difference.
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Olivier Klein @olivierklein.bsky.social · 09/07/2025
Dan Simons had one. But not sure it’s still accessible.
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Olivier Klein @olivierklein.bsky.social · 02/07/2025
Yes. Very sad. 😞
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Olivier Klein @olivierklein.bsky.social · 29/06/2025
Very sad to learn that Helen De Cruz, who had been a constant online presence for me on Twitter and then here, passed away. Read her last blog post. A little gem on what we leave to others.
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Ultimes scories @panettonepazzo.bsky.social · 28/06/2025
La Pride de Budapest interdite par Orban. Rien n’arrête les libertés. Surtout pas le fascisme
Photo montrant des 10aines de milliers de participants à la Pride de Budapest pourtant interdite par le pouvoir d’Orban en Hongrie
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Olivier Klein @olivierklein.bsky.social · 24/06/2025
Lucky BJSP, who has gained a wise, enthusiastic and witty new associate editor!
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