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delighted to have been able to chip in on this newly published paper by @wiktoriakozyra.bsky.social & @smfleming.bsky.social on how confidence “biases” arise from normative Bayesian models!

Steve Fleming@smfleming.bsky.social

Our paper “Confidence is detection-like in high-dimensional spaces” is now published in Open Mind, led by @wiktoriakozyra.bsky.social and @kevingoneill.github.io direct.mit.edu/opmi/article...

I won’t get into details, but there is a strong take home message: as experimentalists, we can present participants with a task. but how they choose to represent that task and reason over it is up to them!

in this case, if people choose to represent additional possibilities that are unavailable for response, their behavior looks a lot like suboptimal heuristic models

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as a new postdoc, my role was mostly to add some related derivations and additional simulations. and even though all of these paths relied on different frameworks & assumptions, they all converge on the same result and mutually inform each other!