Philip E. Tetlock (@ptetlock) 's Twitter Profile
Philip E. Tetlock

@ptetlock

Penn-Integrates-Knowledge (PIK) Professor, Wharton & School of Arts & Sciences. Likes = interesting; Retweets = very interesting; Interesting ≠ endorsement

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linkhttp://amzn.to/1FWLGAD calendar_today03-10-2011 10:02:05

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Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Useful to measure scientific impact on log scales but not cognitive ability, which is roughly normally distributed and can arguably only be measured on ordinal scales. Makes zero sense to say Einstein was 10X smarter than Bohr.

Cameron Jones (@camrobjones) 's Twitter Profile Photo

Really enjoyed working on this with Philipp Schoenegger Philip E. Tetlock and Barbara Mellers. We tried ~50 prompt techniques (including AI classics and more theory-motivated ones) on 100 forecasting questions across 6 LLMs. No prompt showed robust improvements! arxiv.org/abs/2506.01578

Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Taboo trade-offs are sources of endless mischief: An inexhaustible supply of sand to throw into the logical machinery of cost-benefit analysis dropbox.com/scl/fi/filekmh…

Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Hindsight bias fuels forecaster over-confidence. The cure: Remind & re-remind yourself of the deeply incorrect beliefs you once held about the future before you came to hold your current clearly correct beliefs about the future

Theory and Society (Springer Nature) (@theory_society) 's Twitter Profile Photo

Social scientists today do their work in silos, surrounded only by those who share their assumptions and intuitions. Adversarial collaborations, therefore, may play a key role in stimulating our collective creativity and scientific innovation. New in Theory and Society:

Social scientists today do their work in silos, surrounded only by those who share their assumptions and intuitions.

Adversarial collaborations, therefore, may play a key role in stimulating our collective creativity and scientific  innovation. 

New in Theory and Society:
Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Solid advice if you are Patrick Collison (or just a top-2% “superforecaster”). But a bad bet for the rest of us. Most of the time, the average judgment of the crowd beats the judgment of individual members of that same crowd. Not inspirational but demonstrably true.

Forecasting Research Institute (@research_fri) 's Twitter Profile Photo

Our new study finds: recent AI capabilities could increase the risk of a human-caused epidemic by 2-5x, according to 46 biosecurity experts and 22 top forecasters. One critical AI threshold that most experts said wouldn't be hit until 2030 was actually crossed in early 2025. But

Forecasting Research Institute (@research_fri) 's Twitter Profile Photo

Authors: Bridget Williams, Josh Rosenberg, Luca Righetti, Rebecca Ceppas de Castro, Otto Kuusela, Rhiannon Britt, Seth Donoughe, Alvaro Morales, Emily Soice, Jon Sanders, James Black and Philip E. Tetlock Special acknowledgment to SecureBio for the virology evaluation collaboration.

Forecasting Research Institute (@research_fri) 's Twitter Profile Photo

This summary covers the key findings — the full study includes detailed methodology, participant rationales, accuracy measures, and policy implications. Read the complete report from Forecasting Research Institute: forecastingresearch.org/ai-enabled-bio…

Ryan Greenblatt (@ryanpgreenblatt) 's Twitter Profile Photo

FRI found that superforecasters and bio experts dramatically underestimated AI progress in virology: they often predicted it would take 5-10 years for AI to match experts on a benchmark for troubleshooting virology (VCT), but actually AIs had already reached this level.

Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Have you ever wondered how far off we are from a world in which, say, biochemistry undergrads can—with AI guidance – “cook up” new lethal subtypes of influenza in virology labs? The FRI study below lays out promising methodology for answering such questions—& the answer is we’re

Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Ideological immune systems in overdrive. Cory Clark documents the lengths to which some will go to minimize cognitive dissonance

Philip E. Tetlock (@ptetlock) 's Twitter Profile Photo

Reminds me of the more disdainful reactions in the intelligence community to superforecasters— and pitting them against professional analysts in prediction tournaments