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

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 ...

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, ...

Cognitive dissonance happens when you hold two conflicting thoughts in your mind at the same time — like loving both hamburgers and cows. Cognitive dissonance is a theory in social psychology first ...