Developmental Psychology and Theories

Developmental Psychologist and Theories

Piaget's cognitive theory of development

Jean Piaget developed the theory of cognitive development, which suggests there are four key stages through which children advance as their minds develop. The theory focuses largely on an understanding of the nature of knowledge and intelligence, and how they acquire and use it. Piaget lays the claim that cognitive development is key to human development and that language skills depend on cognitive development Fiore, 2011, p. 35.

This essay focuses on Piaget's theory of cognitive development and presents an explanation of the four stages of development in this theory.

The first stage of development is the sensorimotor stage, which happens from birth to about 24-month's age. During this period, the child begins to know the world around them and their sensations. It is in this period that as suggested by Rathus, 2011, p. 17(Piaget (1983, p....
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