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

Researchers have found evidence of abnormal activity of _____ in the urine, blood, and saliva of combat soldiers and rape victims.

A) dopamine and serotonin
B) cortisol and norepinephrine
C) epinephrine and glucose
D) glutamate and GABA

The libido can be found in the pancreas of the body.

Which of the following is true of people who have power in society?

A) They do not have the ability to define themselves.
B) They are likely to be punished for engaging in undesirable behavior.
C) They decide what is normal, typically in reference to their social group.
D) All of these answers are correct.

Contrary to popular belief, most individuals with Down syndrome are of average intelligence.

Which of the following statements is true about theories in personality psychology?

A) A good theory generates testable hypotheses.
B) A theory proves the relationship between constructs or events.
C) The best theory is the one that explains a phenomenon with a large number of constructs.
D) There is no way to statistically validate a theory, so theories are accepted or rejected based on opinion.

A researcher is interested in knowing whether responses to lowering the legal age for drinking alcohol varies by gender. Which statistical test would be most appropriate for this type of data?

A) Chi-square test
B) Analysis of variance
C) t test
D) Pearson correlation