Jean Piaget

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Jean Piaget
Stages of Cognitive Development
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Background on Piaget

• Born in Switzerland in 1896
• Worked with Simon (Binet) in 1919
• Schema a mental framework for knowledge and
  understanding
• Assimilation fitting new information into ones
  pre-existing schema
• Accommodation changing ones schema to allow
  for new experience or information
• Equilibrium vs. Disequilibrium

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• Schema for doggie
• Four-legged animal
• Assimilation
• Sees cow, says doggie
• Accommodation
• Doggie small four-legged animal in house
• Cow large four-legged animal on farm
• Assimilation
• Sees horse, says cow
• Accommodation
• Cows say moo, horses neigh

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Sensorimotor Stage Birth - 2

• Behavioral Schema Understand their world through
  sensory and motor interactions with objects
• Object Permanence
• lacking early in stage
• Piaget 9 months current research 3-4 months
• A-not-B error

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Preoperational Stage 2 - 7

• Symbolic Schema
• Use mental symbols to represent objects and
  events
• Egocentrism
• Animism
• Lacking
• Conservation
• Reversibility
• Compensation

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Conservation
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Concrete Operational 7 - 11

• Develop the ability to think logically about
  concrete events
• Operational Schema perform internal mental
  functions
• Addition and subtraction
• Reversibility, compensation, conservation
• Cognitive maps
• Relational Logic Seriation

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Formal Operational 11 and up

• Develop the ability to think abstractly
• Systematic reasoning
• Hypothetical-Deductive reasoning

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Age Charts