Homework scores rose with AI use, but closed-book exam scores fell, a post reports
A post describes research tracking 26,811 students across nine schools in one Chinese county, reporting that homework time fell from 64 to 45 minutes.
TLDR
A post describes research following 26,811 students in grades 7–12 across nine schools in one Chinese county, using up to 30 months of data. It says homework scores rose 18% after six months of AI use, while homework time fell from 64 to 45 minutes. But it also reports a 20% drop in closed-book exam scores.
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