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David Rand

@dgrand.bsky.social
33K followers 1.7K following 344 posts

Prof at Cornell studying how human-AI dialogues can correct inaccurate beliefs, why people share falsehoods, and ways to reduce political polarization and promote cooperation. Computational social science + cognitive psychology. www.DaveRand.org

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Reposted by David Rand
Robb Willer @robbwiller.bsky.social · 30/09/2026
🚨Come work with us! 🚨 We're hiring a postdoc for Stanford's AI for Public Benefit Lab (ai4pb.stanford.edu), in partnership with @stanfordhai.bsky.social Open to PhDs from psych, poli sci, sociology, CS, econ, HCI, data science, etc. Please share! Position: postdocs.stanford.edu/prospective/...
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Paper Skygest Team @paper-feed.bsky.social · 19/08/2025
**Please repost** If you're enjoying Paper Skygest -- our personalized feed of academic content on Bluesky -- we'd appreciate you reposting this! We’ve found that the most effective way for us to reach new users and communities is through users sharing it with their network
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David Rand @dgrand.bsky.social · 29/09/2026
Honored to give a keynote at Stanford's Trust & Safety Research Conference 2026 (Fri 8:45-9:30am). If you're going to be at the conference and want to connect, send me a message! drive.google.com/file/d/12Q_M...
drive.google.com
TSRC Agenda
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David Rand @dgrand.bsky.social · 29/09/2026
Honored to give a keynote at Stanford's Trust & Safety Research Conference 2026 (Fri 8:45-9:30am). If you're going to be at the conference and want to connect, send me a message! drive.google.com/file/d/12Q_M...
drive.google.com
TSRC Agenda
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Esther Boissin @boissinesther.bsky.social · 21/09/2026
Happy to share a new preprint with @tomcostello.bsky.social, @dgrand.bsky.social and @gordpennycook.bsky.social 🧵 "What beliefs are most debunkable?" osf.io/preprints/ps... We investigate the characteristics of the beliefs that are (or are not) influenced by counterevidence in 3,341 AI dialogues.
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Mohsen Mosleh @mmosleh.bsky.social · 23/09/2026
New paper: In Nov 2025, X began showing where accounts actually operate from. We studied 8,200 politically engaged accounts claiming to be in the US half were revealed to be elsewhere What happened when the mismatch went public? @yuweichuai.bsky.social @thomasrenault.bsky.social @dgrand.bsky.social
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David Rand @dgrand.bsky.social · 16/09/2026
🚨New WP: Protecting users from AI persuasion🚨 🔸A 1-paragraph AI literacy treatment (explaining AIs can be told to pursue non-accuracy goals/to persuade) cuts AI dialogue political persuasion by ~half! 🔸No sig effect on general genAI trust arxiv.org/abs/2609.16432 w/ @rorchinik.bsky.social
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David Rand @dgrand.bsky.social · 17/09/2026
Good question - depends on whether it's teaching people something new that they didn't know (in which case is expect it to last a long time) or just priming knowledge they already had (in which case is expect it to be fleeting). Important direction for future work...
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David Rand @dgrand.bsky.social · 17/09/2026
Very cool! We've found similar things, eg labeling the AI as an expert doesn't make it any less effective academic.oup.com/pnasnexus/ad... My take - similar to yours - is it when the actual content is very compelling, the sources cues don't matter much
academic.oup.com
Dialogues with large language models reduce conspiracy beliefs even when the AI is perceived as human
Abstract. Although conspiracy beliefs are often viewed as resistant to correction, recent evidence shows that personalized, fact-based dialogues with a lar
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David Rand @dgrand.bsky.social · 16/09/2026
🚨New WP: Protecting users from AI persuasion🚨 🔸A 1-paragraph AI literacy treatment (explaining AIs can be told to pursue non-accuracy goals/to persuade) cuts AI dialogue political persuasion by ~half! 🔸No sig effect on general genAI trust arxiv.org/abs/2609.16432 w/ @rorchinik.bsky.social
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Ziv Epstein @ziv-e.bsky.social · 19/08/2026
Do our social media algorithms correctly reflect our values? Our new article published today in @pnas.org shows that the answer is often not, and that the content that gets promoted into their ranked feeds is often actively counter to our values.
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Nicholas A. Christakis @nachristakis.bsky.social · 14/08/2026
One of the most inventive and open-minded scientists I know. And also a rocker. :-)
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David Rand @dgrand.bsky.social · 14/08/2026
Thanks Nicholas!!
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David Rand @dgrand.bsky.social · 13/08/2026
It's been a real joy to return as a faculty member to my hometown and alma mater Cornell. This profile charts a bit of that journey - along with my thoughts on what punk rock and professing have in common, plus fun oldtime photos alumni.cornell.edu/cornellians/...
alumni.cornell.edu
How Is Academia Like Punk Rock? Ask Cornell Prof David Rand ’04 - Cornellians | Cornell University
Back at his alma mater, he’s making headlines for groundbreaking research melding AI, psychology, economics, poli sci, and more
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David Rand @dgrand.bsky.social · 13/08/2026
I've been exercising a lot of restraint to not post a bunch of old photos of you... but here's one gem from 2005
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David Rand @dgrand.bsky.social · 13/08/2026
It's been a real joy to return as a faculty member to my hometown and alma mater Cornell. This profile charts a bit of that journey - along with my thoughts on what punk rock and professing have in common, plus fun oldtime photos alumni.cornell.edu/cornellians/...
alumni.cornell.edu
How Is Academia Like Punk Rock? Ask Cornell Prof David Rand ’04 - Cornellians | Cornell University
Back at his alma mater, he’s making headlines for groundbreaking research melding AI, psychology, economics, poli sci, and more
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David Rand @dgrand.bsky.social · 01/08/2026
🚨JOIN the Civic Discourse Mediator Competition🚨 In 1st week of August, create & test a prompt-based AI mediator that helps people have more thoughtful, productive conversations about important public issues. Win $400! Get started here: forms.gle/HkbhEk4hELQE...
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Adam Berinsky @adamberinsky.bsky.social · 29/06/2026
Boy this was a long road, but glad it's finally out! @dgrand.bsky.social @robbwiller.bsky.social @arechar.bsky.social (along with Michael N. Stagnaro, James N. Druckman, not tagable)
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Nature Human Behaviour @nathumbehav.nature.com · 22/06/2026
Representativeness and response validity across nine opt-in online samples
dlvr.it
Representativeness and response validity across nine opt-in online samples
Nature Human Behaviour, Published online: 22 June 2026; doi:10.1038/s41562-026-02438-zStagnaro et al. compare nine opt-in participant samples on measures of response validity, representativeness and professionalism. They find substantial variation across samples and offer guidance for choosing samples based on the research question.
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David Rand @dgrand.bsky.social · 21/06/2026
N=67......
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Timothy Caulfield @caulfieldtim.bsky.social · 15/06/2026
Congrats to an amazing team for award for THIS paper☝️ See news.cornell.edu/stories/2026... Thx for your much terrific & needed work, @arechar.bsky.social @dgrand.bsky.social @gordpennycook.bsky.social @adamberinsky.bsky.social @ziv-e.bsky.social @kvg.bsky.social @robert-m-ross.bsky.social et al 🙏
news.cornell.edu
Rand, Pennycook awarded for broad study of misinformation | Cornell Chronicle
The Behavioral Science & Policy Association (BSPA) has chosen a study led by Cornell researchers as its publication of the year.
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Stanford Tech Impact and Policy Center @techimpactpolicy.bsky.social · 17/06/2026
We are thrilled to announce @dgrand.bsky.social as one of our keynote speakers for #TSRConf 2026! David is a professor at Cornell University, where his research draws on computational social science and cognitive science to understand how people form beliefs and decide what to share online.
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Jonathan Stray @jonathanstray.com · 09/06/2026
Humanity's ability to know, reason, judge, and act well is the foundation of science, democracy, crisis response, & management of AI itself. AI poses serious risks to that foundation. New paper on epistemic risks by 30 experts calls for attention and proposes solutions. Link in thread.
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Behavior Change for Good Initiative @bcfginitiative.bsky.social · 02/06/2026
When does punishing free riders help groups cooperate, and when does it backfire? A Science Magazine paper by Team Scientists @dgrand.bsky.social, Duncan Watts, Abdullah Almaatouq & co-author suggests the answer depends heavily on context. bit.ly/4uqUZm0
doi.org
Integrative experiments identify how punishment affects welfare in public goods games
Despite decades of research, the conditions under which punishment promotes cooperation remain unclear. Through an integrative experiment varying 14 design parameters of public goods games across 360 experimental conditions (147,618 decisions from 7100 ...
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Opinion Today @opiniontoday.bsky.social · 24/05/2026
The Wall Street Journal had a conversation with @dgrand.bsky.social, a professor at Cornell University and co-author of the three papers, about how debunkbots can talk people out of believing conspiracy theories and what humans can learn from the endeavor. (WSJ-unlocked) www.wsj.com/tech/ai/ai-d...
wsj.com
How AI Talks People Out of Conspiracy Theories—and What We Can Learn From That
Research shows that the key is to clearly explain relevant facts. That isn’t always easy to do.
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Gordon Pennycook @gordpennycook.bsky.social · 15/05/2026
There has been a LOT of research on misinformation over the last decade. In a new paper (for Annual Review of Psychology), @dgrand.bsky.social and I attempt to distill the key points of consensus, highlight major disagreements, and point to future directions. papers.ssrn.com/sol3/papers....
papers.ssrn.com
<p>Consensus, Disagreements, and Open Questions in the Psychology of Misinformation</p>
Research on misinformation has expanded rapidly over the past decade. This review examines areas of consensus and contention within the literature on misinforma
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Sol Messing @solmg.bsky.social · 13/05/2026
New in Nature: LLMs give "the party line" in the languages of authoritarian regimes. This works when they control the media, which feeds pretraining data. We show more state control over the media means less critical LLMs. 6 studies spanning 38 languages & 13 models. Details ↓
Scatter plot of 38 countries plus China showing the proportion of LLM responses favorable to the regime in the local language vs. World Press Freedom Index score. Lower press freedom predicts more regime-favorable responses; all production models pooled.
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Leah McElrath @leahmcelrath.bsky.social · 24/04/2026
Three BIG shifting dynamics: • Algorithms are dominating. • AI content generation is breaking the link between platforms and human content creation. • Public posting is decreasing dramatically, with conversations moving to non-public facing channels. Read more:
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Matthew Facciani @matthewfacciani.bsky.social · 05/04/2026
New study finds that correcting false health claims directly is as effective or more effective than trying to discredit the source, even if they lack expertise. iaap-journals.onlinelibrary.wiley.com/doi/abs/10.1...
iaap-journals.onlinelibrary.wiley.com
Corrections outperform expertise‐based interventions for countering misinformation from alternative medicine sources
Given that health-based misinformation can cause serious harm, designing effective interventions is paramount. Recently, misinformation interventions that target a source's relevant expertise have sh....
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Adam Berinsky @adamberinsky.bsky.social · 27/03/2026
New working paper: Rethinking Misinformation Interventions. The field has spent years searching for the one intervention that will solve misinformation. This search is the wrong approach — and our disappointment says more about our expectations than our tools. (1/5) osf.io/preprints/so...
osf.io
OSF
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Reed Orchinik @rorchinik.bsky.social · 27/03/2026
Very excited to share that I'll be joining Social and Decision Sciences @cmu.edu as an assistant professor in the Fall! So grateful to everyone who has supported me, particularly my amazing advisors @dgrand.bsky.social & Rahul Bhui, family, & friends!
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David Rand @dgrand.bsky.social · 24/03/2026
That's great to hear!! Tell all your friends about DebunkBot 😊
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Ashley Blum @akblum.bsky.social · 24/03/2026
New paper with Gabriela Czarnek, @dgrand.bsky.social and @adamberinsky.bsky.social out in Political Behavior! Link: link.springer.com/article/10.1...
link.springer.com
After the Takeover: Rebuilding Trust in Public Media Through Institutional Reform - Political Behavior
We examine the dynamics of citizens’ trust in public media during government-led efforts to implement major media reforms in a highly polarized context using two cross-sectional experiments. After Pol...
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David Rand @dgrand.bsky.social · 19/03/2026
@debunkbot.bsky.social is the claim in this image true?
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David Rand @dgrand.bsky.social · 18/03/2026
@debunkbot.bsky.social is it true that Hegseth is conspiring to keep the US public in the dark about Iran?
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David Rand @dgrand.bsky.social · 17/03/2026
Then how do you explain DebunkBot's success (eg in Costello et al 2024 Science) in refuting conspiracies with facts?
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David Rand @dgrand.bsky.social · 16/03/2026
Yes it likes to get a lot of detail. We may do an update shortly to make it more concise...
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David Rand @dgrand.bsky.social · 14/03/2026
DebunkBot is live on BlueSky! Tag @debunkbot.bsky.social in reply to any post to get the facts
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David Rand @dgrand.bsky.social · 15/03/2026
But isn't just the threat and associated chilling effect a move in the direction of totalitarianism?
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Brendan Nyhan @brendannyhan.bsky.social · 14/03/2026
Extremely useful!
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David Rand @dgrand.bsky.social · 14/03/2026
DebunkBot is live on BlueSky! Tag @debunkbot.bsky.social in reply to any post to get the facts
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Ed Maibach @maibached.bsky.social · 08/03/2026
Congratulations to @tomcostello.bsky.social @gordpennycook.bsky.social & @dgrand.bsky.social for winning the @aaas.org Newcomb Prize for this outstanding and important communication research on using AI to challenge conspiracy beliefs. @mason4c.bsky.social @docsforclimate.bsky.social
science.org
Durably reducing conspiracy beliefs through dialogues with AI
Conspiracy theory beliefs are notoriously persistent. Influential hypotheses propose that they fulfill important psychological needs, thus resisting counterevidence. Yet previous failures in correctin...
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Brendan Nyhan @brendannyhan.bsky.social · 08/03/2026
The sky is not falling; high-quality platforms (Prolific, Verasight, CR Connect) have low rates of apparent bots. osf.io/preprints/ps... But also not zero; vigilance is very much needed!
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David Rand @dgrand.bsky.social · 06/03/2026
Looks very interesting, looking forward to digging in!
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Agustin Prinetti @aprinetti.bsky.social · 03/03/2026
🚨 My first solo preprint is out! I study Grok's fact-checking on X and show: 📌 Professional fact-checkers are a major source of Grok. 📌 Grok becomes more accurate as more articles from fact-checkers become available. 🔗 ssrn.com/abstract=626...
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Mary Elizabeth Sutherland @meharpist.bsky.social · 01/03/2026
Check out this recent @nature.com paper reporting a field experiment on X. It shows X's algorithm boosts conservative content and downranks traditional media—shifting users’ views on key issues. Switching to chronological doesn’t reverse the effect. www.nature.com/articles/s41...
nature.com
The political effects of X’s feed algorithm - Nature
Among users initially on a chronological feed, 7 weeks of exposure to X’s algorithmic feed in 2023 shifted political attitudes and account-following behaviour in a more conservative direction compared...
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Pam Davis-Kean, PhD @umpamdk.bsky.social · 02/03/2026
This is consistent with earlier psychometric work that suggests 5-7 is the best response scale options, but good to see that the finding holds up in contemporary research. Also, good to see that labeling scales whether anchored or not has little impact on findings. academic.oup.com/ijpor/articl...
academic.oup.com
Do You Agree? Do You Strongly Agree? The Effect of the Number of Response Categories on Response Processes and Verification of Substantive Hypotheses
Abstract. This study investigates how the number and labeling of response categories in survey scales affect respondent behavior, psychometric properties,
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Gordon Pennycook @gordpennycook.bsky.social · 18/02/2026
New paper in Current Directions in Psych Science: journals.sagepub.com/doi/10.1177/... After countless arguments about what tasks ppl should/should not offload to AI, we instead argue that genAI can be used *augment* research protocols in novel ways. I.e. use AI to make better psych experiments!
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David Rand @dgrand.bsky.social · 24/02/2026
Come join our academic family!
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Tom Costello @tomcostello.bsky.social · 13/02/2026
Honored (and genuinely, wildly grateful and -- even more than I am grateful -- surprised) to share that our paper "Durably reducing conspiracy beliefs through dialogues with AI" received the @aaas.org Newcomb-Cleveland Prize (for the "most outstanding" paper in @science.org last year).
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