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 ...

Important cognitive skills emerge during the teen years ...

Jean Piaget (1896-1980) always considered himself a natural scientist, not a psychologist. As a boy he quickly gave up play and pretend to take refuge in "work" -- exploring internal combustion ...

The developmental psychologist and genetic epistemologist, Jean Piaget, investigated the cognitive development of children. He identified four stages from the sensorimotor period, culminating at 2 ...