A 6-Month-Old Watches a Toy Car Go Behind a Curtain

Multiple Choice

A 6-month-old watches a toy car go behind a curtain and through where a block should have stopped it.What happens,and what do psychologists infer?​

A) The child stares longer than usual. The impossible result surprised the child.
B) ​The child looks toward the mother. The child has lost interest in the toy car.
C) ​The child reaches toward the toy car. The child lacks the concept of conservation.
D) ​The child shows no reaction. The child lacks the concept of object permanence.