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.

Jean Piaget’s theory of cognitive development has been a central framework for understanding how children grow and learn. His model describes development through four sequential stages: sensorimotor, ...

In its emphasis on suprahistorical totalities, structuralism in developmental psychology has failed to acknowledge the sociohistorical nature of cognition. In this it converges with, and serves the ...