Gradually he pieced together a "blueprint" for normal cognitive development ... The stage from 18-24 months to 7 years Piaget called preoperational, where children can think about things in ...

Jean Piaget's ideas about child development continue to influence ... An example illustrating egocentrism in this stage is when Piaget observed his young daughter talking on the phone and assuming ...

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 ...