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Cognitive
Development
Jean PiagetConstructivism Theory
Kinds of Knowledge
•physical knowledge
•logico-mathematical knowledge
•social knowledge
Constructivism•children are active learners, not passive observers•organize their knowledge into schemes•schemes change through–assimilation–accommodation
Stages of Cognitive Development
•children’s schemes change over time •cognition develops in stages, not gradually•each stage builds on accomplishments of prior stage
Sensori-motor Stage• ages birth – 2 years old
• infant uses senses and motor abilities to explore•first explorations are innate reflexes•goal-directed behaviors• object permanence
Substages of Sensori-motor Stage• 1st: (birth - 1 mo)
– innate reflexes, – circular reactions
• 2nd: (1-4 mo)– primary circular reactions
• 3rd: (4-8 mo)– secondary circular
Substages of Sensori-motor Stage
• 4th: (8-12 mo)– goal directed behavior– object permanence
• 5th: (12-18 mo) – tertiary circular
• 6th: (18-24 mo) – Symbolicrepresentation
Preoperational Stage
•ages 2-7•child uses mental representations of objects•play moves from using real objects to more complex play•child’s thinking is perception-bound, egocentric, irreversible, centrated, intuitive, animistic
Concrete operations
•ages 7-11•child uses logical operations•ability to –conserve–think flexibly–seriate–classify with more than 1 attribute and with hierarchical thinking
Conservation Tasks
Formal operations• ages 12 and up• child uses logical operations in a systematic fashion• can think abstractly•hypothetico-deductive thinking•propositional thinking
Contributions of Piaget's Theories to
Current Practice•focus on active, hands-on learning•play is important•sensitivity to a child's current level of understanding•acceptance of individual differences
Criticisms of Piaget's Ideas
•research methods•underestimated/overestimated the abilities of children•didn't adequately consider the role of culture and experience in children’s undertaking of his tasks•stage theory
Lev VygotskySocio-cultural Theory
•Importance of culture and society on a child’s learning–knowledge is socially constructed–culturally determined
•Importance of interactions with more-abled members of the society–zone of proximal development–scaffolding
•Language is the foundation of all higher cognitive processes–private speech–inner speech
•Development is continuous, not occurring in stages
Contributions of Vygotsky's Theories to Current Practice
•opportunities for discovery and play•opportunities social interactions for learning•use of language to enhance conceptual development
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