Answer:
In Piaget's developmental theory, several explanations were used to describe the growth of children. For the child who expects his mother to tell him who is in the picture although she is not there, the child is experiencing;
Object Permanence
Object permanence refers to a child's ability to know that something continues to exist even though it cannot be seen or heard at the time.
In the child's case above, even though his mother is in another room outside of his view, he still recognizes that his mother is there and calls out to her.
Object permanence has been developed in this child.
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