One Important Lesson Helping Professionals Can Take from Piaget's and Vygotsky's

Multiple Choice

One important lesson helping professionals can take from Piaget's and Vygotsky's work is that

A) children must be expected to make independent progress,and not to be supported by adults in every task.
B) understanding how young clients think can help in structuring interventions that build effectively on existing knowledge and meanings.
C) stages of cognitive development proceed regularly,and are not altered by individual experiences.
D) language learning is not necessary for children to make progress in problem solving.