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, Roger now claims emphatically that the flattened pile has less sand. Based on this information, Roger is probably in Piaget's _______ stage of development.
A) sensorimotor
B) preoperational
C) formal operations
D) concrete operations

Question

Quizplus · Accepted Answer

Roger is likely in the preoperational stage of development, according to Jean Piaget's theory. This stage occurs roughly between the ages of 2 and 7 years. Children in this stage tend to focus on the appearance of objects rather than logical reasoning, which explains why Roger thinks the flattened pile has less sand despite the quantity remaining the same.

Roger Is Shown Two Piles of Sand and Says That