Which of the Following Is NOT a Reason That Children

Which of the following is NOT a reason that children with an older sibling benefit more from sibling instruction than an equally competent, older peer?

A) Older siblings feel a greater responsibility to teach if the pupil is a younger sibling.
B) Older sibings provide more detailed instruction and encouragement than older peers do.
C) Younger children are more inclined to seek an older siblings guidance.
D) Older siblings like to show off more than older peers do.