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Applied AI·July 19, 2026·1 min read

AI advice made people three times less accurate but twice as confident, researchers found

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AI advice cutting accuracy from 27% to 9% while boosting confidence from 30% to 76% is a hard warning: ungoverned copilots manufacture overconfident error at scale. If you’re deploying AI into decision flows, instrument for ‘I don’t know’ rates and override behavior — and assume you need explicit friction to keep humans from deferring blindly.