cognitive development

Write a 2?3-page paper on cognitive development that includes the following:
? A brief introduction regarding cognitive development in early childhood.
? A section that compares and contrasts the theories of Piaget and Vygotsky. Describe in what ways they are similar and in what ways are they different.
? A section that applies the theories of cognitive development by describing or creating the methods that could be used to test cognitive development in early childhood. (Examples: object permanence, conservation, deferred imitation, representational thought, accommodation, and so on.) Specify the age range of each test