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wcrichton's profile
Will Crichton
Will Crichton
Will Crichton
@wcrichton

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Will Crichton

@wcrichton

Articulating the ineffable. Programming language theory 🤝 cognitive psychology. PhD @Stanford

he/him
willcrichton.net
Joined September 2011

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    3. Will Crichton‏ @wcrichton 8 Jan 2019
      Replying to @ctbeiser

      Recent research in cognitive research suggests this is the case. See Noah Goodman's "Probabilistic Models of Cognition" book http://probmods.org/ , and for an example read "Optimal Predictions in Everyday Cognition" http://cocosci.princeton.edu/tom/papers/predictions.pdf …

      1 reply 0 retweets 1 like
    4. Will Crichton‏ @wcrichton 8 Jan 2019
      Replying to @wcrichton @ctbeiser

      Actually it’s worth qualifying this comment. These results suggest people are Bayesian in that they hold probabilistic beliefs that get updated with evidence. However, people don’t explicitly estimate likelihoods or reason about distributions.

      2 replies 0 retweets 0 likes
    5. Will Crichton‏ @wcrichton 8 Jan 2019
      Replying to @wcrichton @ctbeiser

      Will Crichton Retweeted Will Crichton

      Instead, evidence suggests that people can only sample from their belief distributions. See refs on the “sampling hypothesis”https://mobile.twitter.com/wcrichton/status/1080655291857932288 …

      Will Crichton added,

      Will Crichton @wcrichton
      The "sampling hypothesis" is a fascinating psychological phenomenon: people exhibit Bayesian behaviors (updating beliefs about uncertain knowledge with observations), but can only access samples from their internalized distributions, not the distribution itself. pic.twitter.com/zPaX8VEaqG
      Show this thread
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    8. Will Crichton‏ @wcrichton 8 Jan 2019

      For sure. The precise neural mechanism is unclear. I think the research primarily says “if you built a Bayes net to solve a problem and asked humans to solve the same, their behavior is observationally equivalent.”

      1 reply 0 retweets 0 likes
      Will Crichton‏ @wcrichton 8 Jan 2019
      Replying to @wcrichton @ctbeiser

      You might be interested in some of the refs from Noah’s course Computation and Cognition. I took it last quarter and really enjoyed it! https://cocolab.stanford.edu/psych204-fall2018.html …

      6:00 PM - 8 Jan 2019
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