Expired60% confidenceFactExact time
The Zone of Proximal Development (ZPD) theory was proposed by Soviet psychologist Lev Vygotsky in the 1930s
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Turn AI Into Your Personal Tutor with /teach: A Complete Guide to Stateful Skill Design
bilibili服务器守夜人6/12/2026
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