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mit tech review · August 25, 2026

AI makes you 15% worse at spotting fake news

mit media lab researchers found participants became 15% worse at identifying fake news after four weeks of relying on chatbots, revealing a critical cognitive dependency that undermines media literacy.

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researchers at the mit media lab tracked users detecting fake news over four weeks, finding that while ai assistance initially boosted accuracy by 21%, it eventually caused users to become 15% less accurate without it than before. this 'ai dependency paradox' indicates users forget that llms are statistical models rather than infallible oracles, creating over-confidence. however, the study found that socratic ai interfaces that 'ask' rather than 'tell' can mitigate this erosion of critical thinking. this signals a need for product designers to prioritize human retention over speed, favoring interaction styles that train users rather than replacing their skills.

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