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New WP. Vaccine-hesitant parents have a diverse slate of reasons for not getting their children vaccinated, rendering scalable informational interventions supporting vaccination tricky. Can AI help? Seems so! (Led by Henry Xu and yours truly)

I am SO excited to share my latest #preprint with collaborators Robb Rutledge, zeb kurth-nelson, Martin Chadwick, summerfieldlab @summerfieldlab.bsky.social, and others from DeepMind: "Increasing happiness through conversations with artificial intelligence" arxiv.org/abs/2504.02091 A short 🧵 1/7

New Anthropic research: How university students use Claude. We ran a privacy-preserving analysis of a million education-related conversations with Claude to produce our first Education Report.

IMO a major problem is that political cooperation (free trade, immigration, health policies, democracy) begets largely distributed gains — baselines go up — and political competition (populism etc) can pitch itself as addressing narrow problems (with solutions that impede the

Historian @NFergus cautions an increasingly isolationist America: “The greatest problem with empire is always that the costs are more visible than the benefits.” “The benefit of having the reserve currency is not trivial... Americans may complain about the loss of manufacturing

I'm thrilled to announce that I'll be joining Rob Glosner as an Assistant Professor of Human-Computer Interaction (with a courtesy joint appointment in Social and Decision Sciences) in 2026!

Philippe Rochat and I are looking to hire a joint full-time research specialist to coordinate multiple research projects across our labs. This position is ideal for someone considering graduate school in developmental psychology. staff-emory.icims.com/jobs/145788/jo… Please spread the word!

Compelling evidence in this new WP that AI can do "deep canvassing" and durably reduce prejudice and change policy attitudes. Very cool stuff from Tom Costello Gordon Pennycook Robb Willer David G. Rand @dgrand.bsky.social

🚨NEW PAPER: Why are Members of Congress so extreme? We conducted a 4-wave panel of thousands of voters in 27 districts during last year’s primary AND general elections to trace polarization’s roots The results challenge conventional wisdom… and suggest lessons for parties🧵👇

In trying to get purple Connections first, I ended up with a sequence of guesses that was unique across all other players. I think impossible to replicate this while earnestly trying to get puzzle right?