Jean Piaget

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Jean Piagets Stages of Development
Jean Piaget Jean Piaget was a developmental
psychologist best known for his theory of
cognitive development. Piaget's stages deal with
the nature of knowledge (epistemology) and how
humans come to gradually acquire it.
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Jean Piaget
Piaget's theory of cognitive development is a
comprehensive theory about the nature and
development of human intelligence, first
developed by Jean Piaget. It is primarily known
as a developmental stage theory, but in fact, it
deals with the nature of knowledge itself and
how humans come gradually to acquire, construct,
and use it. To Piaget, cognitive development was
a progressive reorganization of mental processes
as a result of biological maturation and
environmental experience. Children construct an
understanding of the world around them, then
experience discrepancies between what they
already know and what they discover in their
environment.
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Jean Piagets Stages of Development
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Simply put
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Developmental Theory Clip (4min)
http//www.youtube.com/watch?vlEam9lpa6TQ
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Erik Erickson

• Erik Erikson (15 June 1902 12 May 1994) was a
  German-born American developmental psychologist
  and psychoanalyst known for his theory on
  psychosocial development of human beings. He may
  be most famous for coining the phrase identity
  crisis.

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Ericksons Theory of Human Development

• http//www.youtube.com/watch?vzpE18fKhAeY
• http//www.youtube.com/watch?vdGFKAfixHJs

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Ericksons Stages of Development