Rigorous studies find AI substantially harms learning for half of students, benefits none

IanArawjo · x · 2026-11-09

An Education Next piece reviews the first rigorous empirical evidence on students' long-term generative AI use: AI substantially harms learning for about half of students and shows no discernible benefit for the other half.

The article contrasts this with ed-tech's classic "5 Percent Problem"—past tools only worked for the 5% who used them as intended. AI inverts that: adoption is universal, so "dosage" isn't the issue. Instead, teens are willingly automating cognition and learning less, and adults seem unwilling to stop them. A Stanford landscape analysis found few high-quality studies among 800+ on AI in education, making this new evidence especially notable.

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