Belief-only training fixes beliefs but doesn't improve decisions

JessicaHullman · x · 2026-10-23

Thread follow-up: eliciting beliefs and actions in separate sessions and in two-turn conversations shows belief-only training fixes beliefs but doesn't necessarily improve decisions — optimization residuals absorb the gains.

Related event: Northwestern paper decomposes LLM decision failures into belief loss and optimization residual(10 posts)→

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