In one study, experimentally lowering serotonin levels led to:
A) decreased hostility in everybody.
B) increased hostility in everybody.
C) decreased hostility for those already high in aggressiveness and no change for those low in aggressiveness.
D) increased hostility for those already high in aggressiveness and no change for those low in aggressiveness.

Question

Quizplus · Accepted Answer

Serotonin is a neurotransmitter that has been linked to aggression. Lowering serotonin levels has been shown to decrease hostility in people who are already high in aggressiveness, but has no effect on people who are low in aggressiveness.

In One Study, Experimentally Lowering Serotonin Levels Led To