What is cognitive development? Expert Dr Samantha Durrant answers parents' questions around this tricky subject, and how it ...

What Are the Piaget Stages of Development? Piaget's stages of development are part of a theory about the phases of normal intellectual development from infancy through adulthood, including thought, ...

The late Jean Piaget, a Swiss developmental psychologist and philosopher, was best known for studies that led to what is now known as the cognitive development theory. Piaget theorised that a child's ...