When Frederick was 5 months old, he looked at his favorite ball, but when it rolled out of his view, he did not search for it. Now at 9 months old moves around to search for it, reflecting the presence of:

Question

Quizplus · Accepted Answer

Object permanence is the understanding that objects continue to exist even when they cannot be seen or heard. At 5 months old, Frederick did not search for the ball because he did not yet have the understanding that the ball continued to exist even though he could not see it. However, at 9 months old, he is now searching for the ball, indicating that he has developed a sense of object permanence.

When Frederick Was 5 Months Old, He Looked at His