Eleven-month-old jason drops a toy from his crib. he immediately looks over the side of the crib to look for the toy. jason's behavior demonstrates that he has acquired

When Jason drops the toy and looks over the crib's edge, it explains Piaget used the phrase "object permanence" to characterize a child's ability to recognize that items persist even when they are no longer visible or audible.

When an object is hidden from view, children under the age of a specific age are frequently disappointed that it has vanished.

Importance of "object permanence":

For more information about object permanence refer to the link:

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The correct answer is object permanence

Explanation: The term object permanence for Piaget is used to describe a child's ability to know that objects continue to exist even if they can no longer be seen or heard. When an object is hidden from view, children under a certain age often become upset that the item has disappeared.

well i'm late but i think its: b, c, and e