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 ...

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 ...

Vygotsky died young but his theories continue to resonate today ...

Historically, the study of cognition has focused mainly on adults. With the arrival of constructivist theoreticians such as Jean Piaget, cognitive developmental theory became more visible in ...