Jean Piaget’s Theory of Cognitive Development
- Born: Aug 9, 1896
- Birthplace: Neuchâtel, Switzerland
- Died: Septemberr 17, 1980
- Location of death: Geneva, Switzerlandd
- Cause of death: unspecified
- Gender: Male
- Race or Ethnicity: White
- Occupation: Psychologistt
- Nationality: Switzerland
- Executive summary: Elaborated the stages of childhood
Sensorimotor (0-2 years) | Development proceeds from reflex activity to representation and sensorimotor solutions to problems |
Pre-operational (2-7 years) | Problems solved through representation; language development; (2-4 years); thoughts and language both egocentric; cannot solve conservation problems. |
Concrete Operation (7-11 years) | Reversibility attained; can solve conservation problems; Logical operation developed and applied to concrete problems; cannot solve complex verbal problems. |
Formal Operation (11 years-adulthood) | Logically solves all types of problems; thinks scientifically; solves complex problems; cognitive structures mature. |