Developme11 - Development Piagets Theory of Cognitive...

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Development Piaget’s Theory of Cognitive Development While conducting intelligence tests on children, Swiss psychologist Jean Piaget began to investigate how children think. According to Piaget, children’s thought processes change as they mature physically and interact with the world around them. Piaget believed children develop schema , or mental models, to represent the world. As children learn, they expand and modify their schema through the processes of assimilation and accommodation. Assimilation is the broadening of an existing schema to include new information. Accommodation is the modification of a schema as new information is incorporated. Example: Suppose a young boy knows his pet parrot is a bird. When he sees a robin outside and calls it a bird too, he exhibits assimilation, since he broadened his bird schema to include characteristics of both parrots and robins. His bird schema might be “all things that fly.” Now suppose a bat flaps out at him one night and he shrieks, “Bird!” If he learns it was a bat that startled him, he’ll have to modify his bird schema to “things that fly and have feathers.” In modifying his definition, he enacts accommodation. Piaget proposed that children go through four stages of cognitive development: Stage 1: Sensorimotor Period
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