Jean Piaget's ideas about child development ... This conviction led Piaget to develop his influential theory of cognitive development. He proposed that children pass through four main stages ...

Jean Piaget (1896-1980 ... the toy still existed. Piaget found four major developmental stages (with many subdivisions). For the first year and a half or two years of life, infants are only ...

We spoke to lecturer in psychology and language researcher Dr Sam Durrant from LuCiD to help you make sense of cognitive development, the ideas that surround it, like Piaget's Theory, and some ...