Piaget's Stages of Cognitive Development

Question 1

Sensorimotor Period (Stage 1)

Answer 1

Sensory input and motor responses. (BIRTH TO 2 YEARS)

Question 2

Preoperational Period (Stage 2)

Answer 2

Development of symbolic thought marked by irreversible, centration, and ego-centrism. (2 TO 7 YEARS)

Question 3

Concrete Operational Period (Stage 3)

Answer 3

Mental operations applied to concrete events; mastery of conservation, hierarchical classification. (7 TO 11 YEARS)

Question 4

Formal Operation Period (Stage 4)

Answer 4

Mental operations applied to abstract ideas; logical systematic thinking. (11 YEARS TO ADULTHOOD)