Research has shown that patients' expectations of treatment effectiveness are affected by what a treatment provider is wearing. A white lab coat tends to increase their expectation of effectiveness. Sandra, a research assistant, had no preconceived ideas about her research project, but by chance she wore a white lab coat when working with experimental Group 1, but jeans and a t-shirt when working with experimental Group 2. This created a confounding variable. This confounding variable was a _____
a) selection bias.
b) experimenter bias.
c) placebo effect.
d) random effect.
Answer: c
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How does physical dependence differ from psychological dependence?
a. With a physical dependence, quitting leads to withdrawal symptoms b. A physical dependence means that the substance increases release of dopamine. c. A physical dependence produces a strong drive to want the substance. d. A psychological dependence causes problems in the person's life.
Dr. Johnson is a marriage counselor who specializes in infidelity. She is counseling a group of five couples who have been unfaithful in their marriage over the last year. One couple wants to know the recent statistics regarding infidelity. What statistics can Dr. Johnson correctly cite?
A. Ten percent of men and 14 percent of women engage in infidelity in a given year. B. Twelve percent of men and 7 percent of women engage in infidelity in a given year. c) Six percent of men and 20 percent of women engage in infidelity in a given year. d) Twenty percent of men and 18 percent of women engage in infidelity in a given year.
A rat with damage to its lateral preoptic area:
a. drinks a lot of water. b. drinks only to wash down its food. c. has normal osmotic thirst but impaired hypovolemic thirst. d. has impaired osmotic thirst.
Some people always think that everyone is looking at them and talking about them. This self-focused view
of the world would be expected in someone with ________ personality disorder. A) paranoid B) histrionic C) borderline D) narcissistic