AP PSYCHOLOGY

Detailed explanation-1: -The main development during the sensorimotor stage is the understanding that objects exist and events occur in the world independently of one’s own actions (’the object concept’, or ‘object permanence’).

Detailed explanation-2: -Conservation refers to understanding how an object could stay the same, or have the same qualities, even though it may change appearance.

Detailed explanation-3: -What is object permanence? Object permanence, put simply, is the ability to understand that an object continues to exist, even though it can no longer be seen, heard or touched. Swiss psychologist Jean Piaget was the first person to coin the term in the 1960s.

Detailed explanation-4: -Object permanence involves understanding that items and people still exist even when you can’t see or hear them. This concept was discovered by child psychologist Jean Piaget and is an important milestone in a baby’s brain development.