Piaget Cognitive Development Stages. Piaget believed that development depended primarily on cognitive function. Cognitive development involves changes in cognitive process and abilities.
Piaget s four stages of intellectual or cognitive development are. Piaget s theory of cognitive development is a comprehensive theory about the nature and development of human intelligence it was originated by the swiss developmental psychologist jean piaget 1896 1980. Piaget believed that development depended primarily on cognitive function.
Piaget s theory is mainly known as a developmental stage theory.
In each stage the child learns skills. Piaget s four stages of intellectual or cognitive development are. The theory deals with the nature of knowledge itself and how humans gradually come to acquire construct and use it. Toddlerhood 18 24 months through early childhood age 7.