[KongchangAI]
Unverified75% confidenceFactTime unknown

麻省理工学院与哈佛大学联合发布的MOOC研究报告显示,大规模开放在线课程的平均完课率长期徘徊在5%至15%之间

1
Sources
75%
Confidence
Long-term
Relevance
6/1/2026
First Seen

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