Jean Piaget Young. 9 august 1896 16 september 1980 was a swiss psychologist known for his work on child development. Birth through ages 18 24 months.
Piaget s theory has had a major impact on the theory and practice of education. According to piaget 1966 cognitive development is an orderly sequential process in which a variety of new experiences stimuli must exist before intellectual abilities can develop. The preoperational stage from age 2 to about age 7.
Piaget s theory has had a major impact on the theory and practice of education.
The stages cover a range of ages from birth to 2 years old to young adulthood. For the stages of child development and the primary influential factors visit this funderstanding article. Piaget developed his theories by watching children and making notes about their progress. Piaget was the first psychologist to make a systematic study of children s cognitive development.