Question Details

Detailed explanation and options for the selected question.

The concept of “zone of proximal development” (ZPD) was introduced by:

A. Jean Piaget
B. Lev Vygotsky
C. B.F. Skinner
D. John Dewey

Explanation:

Lev Vygotsky introduced ZPD, highlighting the range of tasks a learner can perform with guidance.