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.

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 ...

Educational Technology Magazine is the world's leading periodical publication covering the entire field of educational technology, an area pioneered by the magazine's editors in the early 1960s. Read ...

Editor’s note: This is the fifth in a series of articles to help you explore student abilities, and how critical thinking is taught and learned, to better enable you to help your students thrive in ...

Human Development, Vol. 36, No. 2 (1993), pp. 61-81 (21 pages) In this article we examine the theories of Vygotsky, Piaget, and Bandura as they deal with the relation between the social world and ...

The average American child spends 3.6 hours staring at a computer, television, tablet, or smartphone daily -- an amount of screen time associated with inferior cognitive development and academic ...