Piaget's theory on Human Development

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Hughes - 1975

Egocentrism Test

  • Arrangement of walls, a boy doll and a policeman doll.
  • Walls made up of building blocks into a cross shape with four sections. Eachsentioned labelled A,B,C, and D.
  • Hughes tested on 30 children between three and a half to 5 years old.
  • The policeman doll is placed to see point B and D and the boy doll is placed either in A,B,C, or D. The child is then asked by the person conducting the experiment if the policeman can see the boy.
  • If a mistake was made by the child, the person experimenting would explain why it was wrong.
  • The policeman doll is moved to the other side and the exact same procedure was conducted. Children are able to do this test with few mistakes as it is an everyday situation, whereas Piaget's wasn't.
  • 90% of the answers were correct and three and a half and five year olds were able to decentre, which is significantly younger than what Piaget suggested.
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