Vygotsky and his followers have proposed that children's and adolescents' cognitive development is promoted when they work within their zone of proximal development and that scaffolding enables them to do this successfully.
a. Explain these two concepts, and give a concrete example of each one.
b. Choose a topic or skill that is apt to be in the zone of proximal development for most students at a particular grade level. Then explain how you would (1) scaffold students' efforts and (2) modify the scaffolding over time.