research scientist

Joined July 2012
Come and work with me and my team @GoogleDeepMind! We're looking for people with a background in philosophy, politics, computer science etc. who want to work on the biggest challenges in AI ethics and alignment: google.com/about/careers/app…
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Recent incidents show how quickly misbehavior can cascade in agent swarms. Yet when given transparent channels, honest agents naturally try to blow the whistle on cheating peers. In our new DeepMind Institute essay, @Vezhnick and I propose that giving agents the tools to self-police may be part of the solution: bit.ly/cheaters-and-whistleb…
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Who owns the benefits of AI? In this essay I co-authored with @IasonGabriel for the DeepMind Institute, we offer four moral arguments — grounded in rights, reciprocity, fairness, and beneficence — that together make the philosophical case that the benefits of AI should reach everyone. Read the piece here and let us know what you think: institute.deepmind.com/essay…
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Some believe that we need work for purpose and dignity, while others see freedom from work as utopic. New paper: What does the *empirical evidence* tell us about work and wellbeing? And what does that imply for AI futures?
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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 to this. Link in thread.
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🚨 New in Nature+Science!🚨 AI chatbots can shift voter attitudes on candidates & policies, often by 10+pp 🔹Exps in US Canada Poland & UK 🔹More “facts”→more persuasion (not psych tricks) 🔹Increasing persuasiveness reduces "fact" accuracy 🔹Right-leaning bots=more inaccurate
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New WP! The illusory truth effect (repetition -> belief) is core to psych of beliefs, & thought to be a deep bias impacting misinfo, persuasion & advertising Why would cognition include such a flaw? We argue it is a rational adaptation to high-quality info environments 🧵1/
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Does effort make life more meaningful? Was Sisyphus living the dream? In our new paper (now accepted in Cognition!), across 6 studies with nearly 3,000 participants, we found that more effortful tasks feel more meaningful 🧵
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New paper! Now in press at Cognition: "Experimental evidence that exerting effort increases meaning" Check out @AidanVCampbell's new paper. This was a real effort...and boy was it meaningful (especially now that it was accepted!). Check out the preprint here: osf.io/preprints/psyarxiv/z3…
Does effort make life more meaningful? Was Sisyphus living the dream? In our new paper (now accepted in Cognition!), across 6 studies with nearly 3,000 participants, we found that more effortful tasks feel more meaningful 🧵
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Hause Lin retweeted
Now online! People are increasingly bored in our digital age. w/@minzlicht doi.org/10.1038/s44271-024-0…
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"On the role of analytic thinking in religious belief change: Evidence from over 50,000 participants in 16 countries" ✍️Michael N Stagnaro & @GordPennycook Key finding: Reflection is associated with belief change independent of the direction of change. sciencedirect.com/science/ar…
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.@GordPennycook et al. found that while psychological inoculation helps detecting misinformation at scale globally, it may not be effective unless it is combined with accuracy reminders. @STWorg @DG_Rand @AdamBerinsky @hauselin nature.com/articles/s41562-0…
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📚🚨 I posted 11 new chapters of my upcoming book! Model to Meaning: How to Interpret Statistical Results with #marginaleffects for #RStats and Python. These are early drafts and I really need your feedback! Errors, content requests, improvements, etc. marginaleffects.com
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🚨New in JEP:G @APA_Journals🚨 Why do ppl preferentially reciprocate follows by co-partisans online? In a Twitter field exp & survey we find: -Both content *and* social prefs drive co-party tie-making -Distinct roles for in-party pref & out-party dispref dx.doi.org/10.1037/xge000166…
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New post!
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I'm recruiting PhD students to join my new lab at Brown! Please apply if you're interested in judgment and decision-making, social+cognitive psych, or using games/experiments/computational models to understand human behavior. Apps due Dec 1! More info: davidlevari.com/
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🚨Out in Nature!🚨 Many (eg Trump JimJordan @elonmusk) have accused social media of anti-conservative bias Is this accurate? We test empirically - and it's more complicated than you might think: conservatives ARE suspended more, but also share more misinfo nature.com/articles/s41586-0…
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1/ New paper @Nature! Discrepancy between human expectations of task difficulty and LLM errors harms reliability. In 2022, Ilya Sutskever @ilyasut predicted: "perhaps over time that discrepancy will diminish" (youtu.be/W-F7chPE9nU, min 61-64). We show this is *not* the case!
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Many of us measure altruism and selfishness in dollars and cents. If you want to know how selfless someone is—the logic goes—add up how much money they give to strangers or charity. New work w/ @mollycrockett complicates this picture: osf.io/preprints/psyarxiv/yc… 🧵
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