8. Theories of Cognitive Development

Summary and Objectives

  • Explain key concepts such as Piaget’s Theory (using terms like object permanence, conservation, egocentric, and mental operations), Piaget’s Stages, (sensory-motor, pre-operational, concrete, and formal operational), Vygotsky’s Theory, and Information Processing Theories.
  • Describe the surprising behavior of children in the three mountain tasks and conservation tasks.
  • Talk about why this matters by examining concepts of toy design.


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