Sally's teacher has observed that she does understand object permanence, conservation tasks, and is able to solve the three-mountain problem. In addition, she is able to think abstractly. According to Piaget's theory, Sally is in the
A)sensorimotor stage
B)preoperational stage
C)concrete operational stage
D)formal operational stage
E)proximal development stage

Question

Quizplus · Accepted Answer

Sally's ability to think abstractly, understand object permanence, solve conservation tasks, and solve the three-mountain problem indicates she is in the formal operational stage of Piaget's theory. This stage typically begins around age 12 and is characterized by the development of abstract and hypothetical thinking.

Sally's Teacher Has Observed That She Does Understand Object Permanence