Reposted by William J. BradyKevin Elliott @kjephd.bsky.social · 23/09/2026AI is the Gyges' ring of student work: it offers perfect concealment of wrongdoing. If Glaucon is right, then everyone will use it to do injustice (cheat), & will be wise to do so. If Socrates/Plato is right, then doing so also harms the wrong-doer, whose soul will be malformed into misery by it. 518338
William J. Brady @williambrady.bsky.social · 09/09/2026Glad to see a revised version of this out now at Current Opinion in Psychology! www.sciencedirect.com/science/arti...sciencedirect.com 062
William J. Brady @williambrady.bsky.social · 04/09/2026Registration is open for the 4th annual Computational Psychology preconference at @spspnews.bsky.social Annual conference in Philly 🎊 We are on for a full day on Thursday, Feb 11. 3 keynote themes + a debate that couldn't be more timely 🧵👇 1144
William J. Brady @williambrady.bsky.social · 02/09/2026Come join me @kelloggschoolnu.bsky.social. The management department is hiring for position of Assistant Professor. We are a fun cross-disciplinary group, so if your training is in psychology, sociology, OB or computational social science, etc you should check out the position! Apps due in 2 weeks! 241
William J. Brady @williambrady.bsky.social · 27/08/2026Excited to work on this with a great team ✨ Stay tuned for some hiring announcements if you're interested in these topics! 160
Reposted by William J. BradyMohammad Atari @mohammadatari.bsky.social · 20/07/2026New paper out today in Social and Personality Psychology Compass! What happens when our moral values come into conflict? Our new paper explores "metamorality": the second-order principles we use to navigate conflicting moral choices. W/ Jesse Graham 22111
William J. Brady @williambrady.bsky.social · 29/06/2026In 2023 we showed how engagement-based algorithms exploit human social learning biases, distorting how we learn what's normal, common, or credible from each other ("Algorithm-mediated social learning," Trends in Cognitive Sciences). The obvious follow-up: where does generative AI fit in? 2131
Reposted by William J. BradyJason Koebler @jasonkoebler.bsky.social · 15/06/2026New: Researchers have quantified how easy AI search is to manipulate. Just 13 words buried in a random Reddit comment can poison AI search results. They suggest this is not easy to stop: "The way you can attack these systems is so much dumber than you think it is" www.404media.co/it-is-trivia...404media.coIt Is Trivially Easy to Use Reddit to Manipulate AI Search, Research Suggests"We show that a tiny snippet—just 13 words—of retrieved text on a UGC website like Reddit, Wikipedia, Quora, or Facebook can change AI agents to output spam / scam content pretty consistently." 5029771170
Reposted by William J. BradyMatthew Facciani @matthewfacciani.bsky.social · 29/05/2026Researchers looked at people’s positions on specific issues, rather than just whether they identified as conservative or liberal. They found 43% of self-identified conservatives supported mostly left-leaning policies on topics like spending, climate action, immigration, and vaccine mandates.academic.oup.comThinking Ideologically: The Limited Role of Left and Right Labels as Policy ShortcutsAbstract. How do voters use left-right ideological labels as shortcuts for policy positions in evaluating electoral candidates? We offer a distinction betw 13313
William J. Brady @williambrady.bsky.social · 27/05/2026As I mentioned in the below thread, this project involved many feats of engineering, led by the fantastic @markptorres.bsky.social. If you're a CS or CSS person interested in the gory details, see his blog post: markptorres.com/research/202...markptorres.comHow we built the infrastructure for a large-scale social media field experiment during the 2024 US electionWhat we built 0113
William J. Brady @williambrady.bsky.social · 27/05/2026✨New paper out @nature.com ✨ For 8 weeks around the 2024 US election, we randomly assigned 2,000 people to use social media algos we built ourselves. Do engagement-based algorithms amplify intergroup, moral & emotional (IME) content—and does that distort how we see political norms? 🧵🔗 👇 513762
Reposted by William J. BradyJoshua Tucker @jatucker.bsky.social · 14/05/2026This paper benefitted enormously from the very involved and insightful editorial team @nature.com, led by @meharpist.bsky.social. 081
Reposted by William J. BradyAssociation for Psychological Science @psychscience.bsky.social · 07/05/2026Meet @williambrady.bsky.social, an assistant professor of management and organizations at @kelloggschoolnu.bsky.social and a 2026 APS Spence Award recipient!psychologicalscience.orgMember Spotlight: 2026 Spence Awardee William Brady on Blazing Your Own Research PathThe Spence Award recipient answered a few questions about his research on the interactions between human psychology and technology, the highlights of his career, and his practical advice for future re... 063
Reposted by William J. BradyBerna Devezer @devezer.bsky.social · 30/04/2026📣 The difference between replicable and not replicable is not itself scientifically replicable. 📣 New work with Erkan Buzbas, showing that verdicts such as "X% of results replicated" are based on an inferential machinery that doesn't work. arxiv.org/abs/2604.26268 15543204
Reposted by William J. BradyJ. Nathan Matias @natematias.bsky.social · 27/04/2026Are you a leader trying to figure out how to evaluate an AI system? Are you in business, journalism, civil society, or the tech industry? I'm excited to share the publication of the book I wish I had in my first job testing AI seventeen years ago: "Auditing AI." mitpress.mit.edu/978026205172... 35015
Reposted by William J. BradyRobb Willer @robbwiller.bsky.social · 22/04/2026Climate change impacts are here, but public support for action remains polarized. Which climate messages move people? In a ~13,500-person megastudy, we tested 10 of the most-cited messages. Six increased pro-environmental attitudes in the U.S.—but only by 1–4 percentage points. 🧵 611846
Reposted by William J. BradyPetter Törnberg @pettertornberg.com · 22/04/2026Is social media dying? How much did Twitter change as it became X? Which party now dominates the conversation? Using nationally representative ANES data from 2020 & 2024, I map how the U.S. social media landscape has changed Here are the key take-aways 🧵 Full paper out now in in JQD:DM!journalqd.org Shifts in U.S. Social Media Use, 2020–2024: Decline, Fragmentation, and Enduring Polarization | Journal of Quantitative Description: Digital Media 25949381
Reposted by William J. BradyDavid Amodio @davidamodio.bsky.social · 07/04/2026New preprint! w/Tessa Charlesworth & @williambrady.bsky.social: The Psychology of Algorithmic Bias We introduce a psychology-centered framework to specify mechanisms through which human behavior interacts dynamically with AI systems to produce algorithmic bias. osf.io/preprints/psyarxiv/rxu37_v1 32312
Reposted by William J. BradyMaya Rossignac-Milon @mrossignacmilon.bsky.social · 26/03/2026New preprint! ✨ Do you and your partner have made-up words ("eggy" to mean awkward)? Do you and your bestie have an anecdote you love to tell together (that time one of you tripped over an acorn)? Do you and your closest colleague have a cherished ritual (weekly lunch at "the usual spot")? 🧵 53915
Reposted by William J. BradyJudy Kim @joodykeem.bsky.social · 28/02/2026They double-booked a room for the "Healthy, Wise, Wealthy, Decision Making" and "Moral Machines" sessions at SPSP, but @williambrady.bsky.social exercised some masterful (& healthy & wise & moral & wealthy?) negotiation skills and we're now getting two sessions of talks in one 😊 2161
William J. Brady @williambrady.bsky.social · 28/02/2026@killianmcloughlin.bsky.social social media news especially likely to use villian / victim framing; low quality news especially; more likely to evoke outrage and draw engagement when doing so #spsp 1173
William J. Brady @williambrady.bsky.social · 26/02/2026New work from @drsanaz.bsky.social : using smart phone sensing data, one of the biggest predictors of people higher on authoritarian measure was Facebook and social media use #spsp 1172
Reposted by William J. BradyJessica Hullman @jessicahullman.bsky.social · 18/12/2025Many think LLM-simulated participants can transform behavioral science. But there's been a lack of accessible discussion of what it means to validate LLMs for behavioral scientists. Under what conditions can we trust LLMs to learn about human parameters? Our paper maps the validation landscape. 1/ 210327
William J. Brady @williambrady.bsky.social · 24/02/2026We're excited about the upcoming Computational Psychology preconference at @spspnews.bsky.social this Thursday. See our action-packed full day agenda below! Featuring 3 keynote talk themes with related early-career speakers, data blitz session, panel discussion. Don't miss it! #SPSP 1219
Reposted by William J. BradyM.J. Crockett @mjcrockett.bsky.social · 24/02/2026Last year at SPSP we had some great discussions about research with LLMs. This time #spsp2026 we're back with a whole workshop! Friday 2/27 at 8am, + informal drinks at 6pm to continue the conversation More info, plus a chance to submit discussion topics, here: spsp2026.carrd.cospsp2026.carrd.coEthical and Reproducible use of Large Language Models for Data Analysis | SPSP 2026 ProfessionalEthical and Reproducible use of Large Language Models for Data Analysis | SPSP 2026 Professional 1195
Reposted by William J. BradyCurtis Puryear @curtispuryear.bsky.social · 23/02/2026Interested in why moral conflict is so common on social media? Join us at #SPSP 2026 for our symposium. We’ll present new findings on how platforms shape digital discourse and explore pathways toward healthier online environments 🗓 Saturday, the 28th | 9:30–10:40 AM 📍 Room E270, Level 2 1103
William J. Brady @williambrady.bsky.social · 23/02/2026Very honored by this one! Thanks to all my mentors, students and colleagues who made it possible! And congrats to all the recipients for their amazing work. 2320
Reposted by William J. BradyJoshua Conrad Jackson @joshcjackson.bsky.social · 21/02/2026For folks interested in learning about our lab's research, check out this flier with all our presentations at this coming #SPSP2026 conference @spspnews.bsky.social. With research by several rising stars covering tech, culture, politics and more Credit to our talented lab manager Hanying Yao! 0155
William J. Brady @williambrady.bsky.social · 26/01/2026Congrats to @mjcrockett.bsky.social on the Troland Research Award from @nasonline.org ! Having witnessed the "unusual achievement" first hand, very happy to see the recognition 🌹💐 www.nasonline.org/award/trolan...nasonline.orgTroland Research Award – NASTwo Troland Research Awards of $75,000 are given annually to recognize unusual achievement by early-career researchers (preferably 45 years of age or younger) and to further empirical research within ... 162
Reposted by William J. BradyYuanze Liu @yuanzeliu.bsky.social · 31/12/2025Before the end of this year, I’m glad to share a short perspective/policy piece, recently out with @joshcjackson.bsky.social , Zhao Wang, and @williambrady.bsky.social: “Large AI Models Have a Prioritization Problem: Policy Implications and Solutions.” 263
Reposted by William J. BradyM.J. Crockett @mjcrockett.bsky.social · 11/12/2025New preprint: Empathy, Thick and Thin papers.ssrn.com/sol3/papers.... It is perhaps foolhardy to attempt to say something new about a topic as widely studied as empathy. I tried anyway! 1/ 1225167
Reposted by William J. BradyLisa Fazio @lkfazio.bsky.social · 11/12/2025New from me - how AI-generated political videos have become just another part of social media, used to entertain, outrage and monitize attention theconversation.com/ai-generated...theconversation.comAI-generated political videos are more about memes and money than persuading and deceivingDon’t discount the threat of AI political videos fooling people, but for now, they’re mostly about bolstering group identity and cashing in on viral content. 23315
Reposted by William J. BradyRebecca Frazer @beccafraz.bsky.social · 24/11/2025Out now in Scientific Reports! Despite high correlations, ChatGPT models failed to replicate human moral judgments. We propose tests beyond correlation to compare LLM data and human data. With @mattgrizz.bsky.social @andyluttrell.bsky.social @chasmonge.bsky.social www.nature.com/articles/s41...nature.comChatGPT does not replicate human moral judgments: the importance of examining metrics beyond correlation to assess agreement - Scientific ReportsScientific Reports - ChatGPT does not replicate human moral judgments: the importance of examining metrics beyond correlation to assess agreement 0249
Reposted by William J. BradySasha Gusev @sashagusevposts.bsky.social · 21/11/2025So there you have it, twin study estimates were greatly inflated, and molecular data sets the record straight. I walk through possible counter-arguments, but ultimately the uncomfortable truth is that genes contribute to traits much less than we always thought. 413443
William J. Brady @williambrady.bsky.social · 18/11/2025Great work by @natematias.bsky.social & Megan Price: public involvement in AI is an important part of rigorous science. AI systems are sociotechnical, meaning that the lived experience of the public is essential for validation, etc. www.pnas.org/doi/10.1073/...pnas.orgHow public involvement can improve the science of AI | PNASAs AI systems from decision-making algorithms to generative AI are deployed more widely, computer scientists and social scientists alike are being ... 123
Reposted by William J. BradyJonathan Doriscar @jonds7.bsky.social · 17/11/2025New preprint out 📄 “Why Reform Stalls: Justifications of Force Are Linked to Lower Outrage and Reform Support.” Why do some cases of police violence spark reform while others fade? We look at how people explain them—through justification or outrage. osf.io/preprints/ps...osf.ioOSF 195
Reposted by William J. BradyDavid Rand @dgrand.bsky.social · 14/11/2025🚨Out in PNAS🚨 Examining news on 7 platforms: 1)Right-leaning platforms=lower quality news 2)Echo-platforms: Right-leaning news gets more engagement on right-leaning platforms, vice-versa for left-leaning 3)Low-quality news gets more engagement EVERYWHERE - even BlueSky! www.pnas.org/doi/10.1073/... 11216105
Reposted by William J. BradyMark Ho @markkho.bsky.social · 13/11/2025Excited to share a new preprint, accepted as a spotlight at #NeurIPS2025! Humans are imperfect decision-makers, and autonomous systems should understand how we deviate from idealized rationality Our paper aims to address this! 👀🧠✨ arxiv.org/abs/2510.25951 a 🧵⤵️arxiv.orgEstimating cognitive biases with attention-aware inverse planningPeople's goal-directed behaviors are influenced by their cognitive biases, and autonomous systems that interact with people should be aware of this. For example, people's attention to objects in their... 16614
William J. Brady @williambrady.bsky.social · 11/11/2025✨New preprint! Why do people express outrage online? In 4 studies we develop a taxonomy of online outrage motives, test what motives people report, what they infer for in- vs. out-partisans, and how motive inferences shape downstream intergroup consequences. Led by @felix-chenwei.bsky.social 🧵👇 14018
Reposted by William J. BradyJay Van Bavel, PhD @jayvanbavel.bsky.social · 05/11/2025These has been sharp rise in moralized language on social media Two processes explained this shift: (1) within-user increases in moral language over time (2) highly moralized users became more active while less moralized users disengaged osf.io/preprints/ps... 1164
Reposted by William J. BradyPetter Törnberg @pettertornberg.com · 30/10/2025Posting is correlated with affective polarization: 😡 The most partisan users — those who love their party and despise the other — are more likely to post about politics 🥊 The result? A loud angry minority dominates online politics, which itself can drive polarization (see doi.org/10.1073/pnas...) 528756
William J. Brady @williambrady.bsky.social · 28/10/2025Reminder to apply to the DRRC postdoc fellowship! Deadline is this week. 063
Reposted by William J. BradyPaul Smaldino @psmaldino.bsky.social · 27/10/2025Re-posting this because I really like it and I think we need to understand identity from a functionalist perspective more than ever. osf.io/preprints/ps... 0186
Reposted by William J. BradyCarl T. Bergstrom @carlbergstrom.com · 24/10/20251. We ( @jbakcoleman.bsky.social, @cailinmeister.bsky.social, @jevinwest.bsky.social, and I) have a new preprint up on the arXiv. There we explore how social media companies and other online information technology firms are able to manipulate scientific research about the effects of their products. 16755357
Reposted by William J. BradyJoe Bak-Coleman @jbakcoleman.bsky.social · 22/10/2025Great piece on the absurdity of brute force multiverse analyses. www.pnas.org/doi/10.1073/...pnas.orgRobustness is better assessed with a few thoughtful models than with billions of regressions | PNASRobustness is better assessed with a few thoughtful models than with billions of regressions 417156
Reposted by William J. BradyM.J. Crockett @mjcrockett.bsky.social · 21/10/2025Can AI simulations of human research participants advance cognitive science? In @cp-trendscognsci.bsky.social, @lmesseri.bsky.social & I analyze this vision. We show how “AI Surrogates” entrench practices that limit the generalizability of cognitive science while aspiring to do the opposite. 1/sciencedirect.comAI Surrogates and illusions of generalizability in cognitive scienceRecent advances in artificial intelligence (AI) have generated enthusiasm for using AI simulations of human research participants to generate new know… 9288119
William J. Brady @williambrady.bsky.social · 20/10/2025Last call for data-blitz and poster submission for the Computational Psychology preconference @spspnews.bsky.social! See thread below for details and hope to see you in Chicago! 096
Reposted by William J. BradySteve Rathje @steverathje.bsky.social · 01/10/2025🚨 New preprint 🚨 Across 3 experiments (n = 3,285), we found that interacting with sycophantic (or overly agreeable) AI chatbots entrenched attitudes and led to inflated self-perceptions. Yet, people preferred sycophantic chatbots and viewed them as unbiased! osf.io/preprints/ps... Thread 🧵 6193102
Reposted by William J. BradyJay Van Bavel, PhD @jayvanbavel.bsky.social · 30/09/2025Our new paper finds that AI can overcome partisan #bias We find that AI sources are preferred over ingroup and outgroup sources--even when people know both are equally accurate (N = 1,600+): osf.io/preprints/ps... 4209
William J. Brady @williambrady.bsky.social · 29/09/2025The computational psych preconference is back @spspnews.bsky.social for a full day! This year's lineup: 👉theory-driven modeling: Hyowon Gweon 👉data-driven discovery: @clemensstachl.bsky.social 👉application: me 👉 panel: @steveread.bsky.social Sandra Matz, @markthornton.bsky.social Wil Cunningham 1248