Piaget’s stages of development include sensorimotor, preoperational, concrete operational, and formal operational. While there is some criticism of them, they may help characterize child development.

Human Development, Vol. 39, No. 5, Where Is Mind? Building on Piaget and Vygotsky (1996), pp. 301-306 (6 pages) Vygotsky's sociocultural perspective on the development of mind and Piaget's ...

If you've ever wondered why some people succeed at learning new skills and knowledge while others fail to grasp basic concepts, you may want to find out more about learning theory. Theories of ...