Brett's Parents Praise Him When He Wins Fights at School,but

Multiple Choice

Brett's parents praise him when he wins fights at school,but don't pay a lot of attention to him on days when nothing happens at school.According to the Patterson and colleagues' aggression-reduction program,what should Brett's parents be doing differently?

A) They should reward him on days that he is not aggressive.
B) They should ignore him on days that he is aggressive.
C) They should act indifferent toward his aggression.
D) They should increase the rewards they give him for acting aggressively.