ZPD is developed as a metaphor to describe the type of assistance offered by a teacher or peer to support learning.

ZPD is developed as a metaphor to describe the type of assistance offered by a teacher or peer to support learning. A: 正确 B: 错误

ZPD and Scaffolding are two key concepts in ________. A: Behaviorist theory B: Cognitivist theory C: Constructivist theory D: Socio-constructivist theory