One major difference between psychiatrists and clinical psychologists is that psychiatrists:

A) went to medical school.
B) must work in a medical setting.
C) are allowed to practice psychotherapy.
D) have more training in mental illness.

Are the Big Five dimensions a comprehensive system of personality?

A) Yes; evidence confirms that these five dimensions capture the totality of personality.
B) No; it's just a convenient shorthand for researchers to simplify analyzing the Big Twenty.
C) Yes; that's why they are the Big Five rather than the Perhaps Five.
D) No; there are many other important ways that people differ from one another.

In the United States, the murder rate is higher in the South than in the North. You wish to demonstrate that this contrast reflects cultural variables. In the language of research methodology, mean annual temperature is a potential __________ variable in your investigation.

A) confounding
B) external
C) independent
D) dependent

A transvestite is a person who has his or her gender surgically reassigned.

Which of the following is an alternative to abstinence?

A) Warm turkey approach
B) tapering down
C) trial moderation
D) All of the above

The sympathetic nervous system (SNS)

A) leads to decreased blood pressure.
B) causes slower heart rate.
C) causes rapid breathing.
D) leads to narcolepsy.