Robert is shown two glasses of juice of equal size and then watches as the juice from one of these glasses is poured into a tall, thin glass.When Robert is asked about the quantity of juice in each glass, he states that the "tall glass has more." According to Piaget, Robert lacks
A)animism.
B)object permanence.
C)conservation.
D)egocentrism.

Question

Quizplus · Accepted Answer

Robert lacks conservation, which is the ability to understand that the amount of a substance remains the same even if its appearance changes. In this scenario, he is unable to conserve the quantity of juice and believes the tall glass has more simply because it looks like it has more.

Robert Is Shown Two Glasses of Juice of Equal Size