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Period: to
Sensorimotor
(birth - 2 yrs)
Explores w/ senses, object permanence, stranger anxiety. -
Period: to
Preoperational
(2 - 7 yrs) Egocentrism, pretend play, conservative issues. -
Period: to
Concrete Operational
(7-12 yrs) Conservation begins, classification, concrete logic, mathematical transformations begin. -
Period: to
Formal Operational
(12 yrs - adulthood) Abstractions and analogies, potential for mature moral reasoning, hypothesis testing.