Unverified50% confidenceFactExact time
1980-1990年代的Cognitive Tutor通过认知建模追踪学生知识掌握状态，取得了约0.4标准差的效应量
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
AI导师效应量达1.30：达特茅斯实验如何逼近教育界「两西格玛」圣杯
hackernewshackernews7/5/2026
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