Eight-month old Jonathan was left by his mother at the baby-sitter's place. The minute his mother left and he could not see her, Jonathan started to cry. According to Piaget's theory of cognitive development which concept would explain Jonathan's behavior?

From Piaget's theory of cognitive development, The concept of Object Permanence.

Explanation:Object Permanence, for the baby means that he is starting to understand that things can disappear although they aren't gone forever.

Since Jonathan's mom left him he began to cry because he did not want her to leave although he knows she won't be gone forever.

answer; (you have the right of way);

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