One of Piaget's Major Contributions to Developmental Psychology Has Been

Multiple Choice

One of Piaget's major contributions to developmental psychology has been to

A) demonstrate the critical role language plays in cognitive development.
B) stimulate research and debates about the best ways to explain cognitive development.
C) study cognitive development in a wide range of cultures around the world.
D) establish learning as the central mechanism by which development proceeds from one stage to the next.