Roger is shown two piles of sand and says that each pile has the same amount. However,when one pile is flattened with a shovel,he now claims emphatically that the flattened pile has less sand. Piaget would suggest that Roger is in the ________ stage of development.
A)concrete operations
B)sensorimotor
C)formal operations
D)preoperational

Question

Quizplus · Accepted Answer

Piaget would suggest that Roger is in the preoperational stage of development, where children are not yet able to understand the concept of conservation, which is the understanding that quantity does not change even when its shape does.

Roger Is Shown Two Piles of Sand and Says That