What has been associated with high levels of aggression?
a. low levels of serotonin
b. high levels of serotonin
c. low levels of dopamine
d. high levels of dopamine
Question 2
A study of performance in business organizations found that workers with higher ____ were rated as more effective leaders, as well as being more responsible for others, by their co-workers, supervisors, and subordinates.
a. guilt-proneness
b. need to achieve
c. external locus of control
d. narcissism