Economist Study: AI Boosts Homework Scores 18% but Exam Scores Fall 20%
robleclerc · x · 2026-09-25
Citing an Economist-analyzed study: pupils using AI saw average homework scores rise 18% across subjects over six months, yet scored 20% below non-AI classmates at exam time. Rob LeClerc pushes back — exams didn't test AI skills, and since everyone will use AI at work, what matters more: being good at long division or at using AI? He'd bet the AI-using students outperform on AI skills.
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