Jean Piaget ... to talk with children, play with them, ask them questions, and try to understand their thinking. Gradually he pieced together a "blueprint" for normal cognitive development ...

Jean Piaget's ideas about child development continue to influence pedagogical practices around the world. His pioneering work revolutionized our understanding of how children learn and think.

children enter the preoperational stage at around two years old Despite being over 70 years old, Piaget's theory is "still one of the prevailing theories in terms of cognitive development," Dr Sam ...