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[ARTICLE · art-47763] src=the-decoder.com ↗ pub= topic=artificial-intelligence verified=true sentiment=↓ negative

A 26,000-student study shows AI's hidden learning cost takes two full years to surface

A study of over 26,000 Chinese students found that AI users completed homework faster and scored higher but performed up to 24% worse on exams, with the full impact on entrance exam results taking about two years to surface.

read1 min views1 publishedJul 4, 2026

A study of more than 26,000 Chinese students found that AI users finished homework faster and scored higher but performed up to 24 percent worse on exams. The full impact on entrance exam results took about two years to show up, meaning short-term studies systematically underestimate the damage.

The article A 26,000-student study shows AI's hidden learning cost takes two full years to surface appeared first on The Decoder.

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