In Vygotsky's theory, the range between what a child can do alone and what a child can do with help is called:

Which principle is central to Vygotsky’s view of cognitive development?

Which of the following statements is/are correct about the Zone of Proximal Development (ZPD)? (i) The lower limit of ZPD is the level of skill reached by the child independently. (ii) The upper limit is the level of additional responsibility that the child can accept with the assistance of an instructor.