Recent research on the A-not-B error suggests that the reason 10-month-olds fail to recover the hidden toy is not because they lack object permanence but instead:
A)They have immature visual systems.
B) They have an immature motor system.
C) They lack logical thinking.
D) They lack symbolic thinking.

Question

Quizplus · Accepted Answer

Recent research suggests that the A-not-B error is not due to a lack of object permanence, but rather an immature motor system. The infants may be able to understand that the toy still exists, but have difficulty carrying out the physical action required to reach for it in a new location.

Recent Research on the A-Not-B Error Suggests That the Reason