Vygotsky's (1978) Concept of the Zone of Proximal Development, Refers

Vygotsky's (1978) concept of the zone of proximal development, refers to:

A) the level that a child can attain without assistance up to the level that the child can attain with assistance from others.
B) the period of time in development when children are learning to refine their hand-eye coordination.
C) the point at which a child can perform a skill without assistance.
D) the level that the child is unable to perform a skill without assistance or assistance from others.