The major developmental milestone of the _______________ stage is the achievement of object permanence.
A)preoperational
B)sensorimotor
C)concrete operational
D)formal operational

Question

Quizplus · Accepted Answer

The achievement of object permanence, or the understanding that objects still exist even when they are not in sight, is a major milestone in the sensorimotor stage of development, which occurs from birth to 2 years old. The other stages listed (preoperational, concrete operational, and formal operational) occur later in development and do not involve this specific milestone.

The Major Developmental Milestone of the _______________ Stage Is the Achievement