Your baby’s big enough to say “More!” when they want more cereal. They’re even able to follow simple instructions and throw their used napkin in the garbage. Yup, they’ve moved onto a new stage of ...

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.

Piaget’s stages of development describe how children learn as they grow up. There are four distinct stages: sensorimotor, preoperational, concrete operational, and formal operational. Jean Piaget was ...