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Essay
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1

Explain how assimilation and accommodation interact to modify children’s existing schemata.
2

Describe a conservation task and explain two limitations of preoperational children’s thought that does not allow them to solve such tasks.
3

Describe the major qualitative differences between the preoperational and concrete operations stages, and between the concrete operational and formal operational stages.
4

Describe Vygotsky’s concept of the zone of proximal development and explain how one should teach children using the scaffolding approach.





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