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Posts by David Rand

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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....

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...

2 weeks ago 24 8 1 0
OSF

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...

3 weeks ago 37 23 2 0

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!

3 weeks ago 24 3 3 1

That's great to hear!! Tell all your friends about DebunkBot 😊

3 weeks ago 1 1 0 0
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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...

New paper with Gabriela Czarnek, @dgrand.bsky.social and @adamberinsky.bsky.social out in Political Behavior! Link: link.springer.com/article/10.1...

4 weeks ago 16 8 1 0

@debunkbot.bsky.social is the claim in this image true?

1 month ago 0 0 1 0

@debunkbot.bsky.social is it true that Hegseth is conspiring to keep the US public in the dark about Iran?

1 month ago 1 0 1 0
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Then how do you explain DebunkBot's success (eg in Costello et al 2024 Science) in refuting conspiracies with facts?

1 month ago 1 0 1 0

Yes it likes to get a lot of detail. We may do an update shortly to make it more concise...

1 month ago 1 1 0 0

DebunkBot is live on BlueSky! Tag @debunkbot.bsky.social in reply to any post to get the facts

1 month ago 43 16 7 4

But isn't just the threat and associated chilling effect a move in the direction of totalitarianism?

1 month ago 1 1 1 0
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Extremely useful!

1 month ago 70 21 6 1

DebunkBot is live on BlueSky! Tag @debunkbot.bsky.social in reply to any post to get the facts

1 month ago 43 16 7 4
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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...

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

1 month ago 24 5 1 0
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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!

1 month ago 106 49 1 2

Looks very interesting, looking forward to digging in!

1 month ago 1 0 0 0
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🚨 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...

1 month ago 33 10 5 3
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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...

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...

1 month ago 120 54 5 5
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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,

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...

1 month ago 116 39 1 2
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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!

2 months ago 43 14 2 0

Come join our academic family!

1 month ago 4 2 0 0
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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).

2 months ago 55 6 5 1
Scaling Laws: The Persuasion Machine: David Rand on How LLMs Can Reshape Political Beliefs
Scaling Laws: The Persuasion Machine: David Rand on How LLMs Can Reshape Political Beliefs YouTube video by Lawfare

www.youtube.com/watch?v=5s1I...

2 months ago 4 1 0 0
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Scaling Laws: The Persuasion Machine: David Rand on How LLMs Can Reshape Political Beliefs

New @scalinglaws.bsky.social episode: @noupside.bsky.social and I talk to @dgrand.bsky.social about his research showing AI chatbots can shift people's political beliefs. www.lawfaremedia.org/article/scal...

2 months ago 10 6 1 0
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APE update: we retested recent frontier models on whether they still comply with requests to persuade on extreme harm (terrorism, sexual abuse). GPT-5.1 & Claude Opus 4.5 → near zero compliance. But Gemini 3 Pro complies 85% with no jailbreak needed. 🧵

2 months ago 13 8 1 2
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Interesting new paper in Political Psychology from @benmtappin.bsky.social and Ryan McKay investigating party cues

onlinelibrary.wiley.com/doi/10.1111/...

2 months ago 6 6 2 0
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🚨New WP "@Grok is this true?"
We analyze 1.6M factcheck requests on X (grok & Perplexity)
📌Usage is polarized, Grok users more likely to be Reps
📌BUT Rep posts rated as false more often—even by Grok
📌Bot agreement with factchecks is OK but not great; APIs match fact-checkers
osf.io/preprints/ps...

2 months ago 119 48 2 3
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Does a motivation to persuade someone of a view we do not hold cause us to deceptively self-persuade to shift our view?

No, research by Zhang & @dgrand.bsky.social suggests—simple preferential exposure to information has the same effect:

buff.ly/vB18poi

2 months ago 6 1 0 0
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our open model proving out specialized rag LMs over scientific literature has been published in nature ✌🏻

congrats to our lead @akariasai.bsky.social & team of students and Ai2 researchers/engineers

www.nature.com/articles/s41...

2 months ago 43 10 2 2

Grok fact-checks our paper on Grok fact-checking - and it approves!

2 months ago 28 7 1 0