Derek Likes to Bully His Little Brother Matt

Multiple Choice

Derek likes to bully his little brother Matt. Their mother begins to give Derek the mild punishment of a stern look every time Derek hits Matt. This is sufficient to stop Derek's bullying, and in time, Derek stops bullying Matt even when his mother is not around. According to theories of insufficient punishment, why might this happen?

A) Because there was sufficient external justification for resisting, Derek began to devalue the forbidden activity.
B) Because there was sufficient external justification for resisting, Derek began to place greater value on his relationship with his brother.
C) Because there was insufficient external justification for resisting, Derek began to devalue the forbidden activity.
D) Because there was insufficient external justification for resisting, Derek began to place greater value on his relationship with his brother.