DrMannisto Is a Behaviorist Who Is Studying the Causes of Excessive

Dr.Mannisto is a behaviorist who is studying the causes of excessive violence among some hockey players.She is likely to consider whether:

A) the more aggressive players have experienced brain injuries.
B) there is a reward for players who engage in excessive violence.
C) the more aggressive players experienced emotional abuse in childhood.
D) cultural change has shaped hockey players to become more violent than in the past.