Ellen wants to see if the level of lighting in a room will affect the performance of individuals on an IQ test. She lets one group in her study have very bright lights and a second group have more normal lighting. She finds that the individuals in the bright light group have better scores on the test than do the individuals in the normal light group. The difference between the two groups' scores is statistically significant, which means
A. lighting definitely makes a difference.
B. the difference between the groups is due to chance.
C. lighting significantly affects performance.
D. the difference between the groups is probably not due to chance.
Answer: D
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Meditation is
a. a mental exercise in which a conscious attempt is made to focus attention in a nonanalytical way. b. associated with lower levels of some stress hormones. c. characterized by relaxation and suppression of arousal. d. all of these.
Geoff, a basketball player for City High School, sinks thirty straight free throws during practice. However, during the critical game of the season, with the score tied and twenty seconds left to play, Geoff misses three consecutive free throws. Geoff's behavior can be best explained by __________ theory.
A. incentive B. arousal C. drive reduction D. opponent-process
__________ is a term for the process of acknowledging one's sexual orientation and then disclosing the truth to family and friends.
A. Sexual orientation B. Sexual minorities C. Sexual harrassment D. Coming out
Applying a family perspective on the development of personality disorders, researchers found that compared to others, people with __________ personality disorder remember their parents as more controlling and less caring, or as failing to protect them.
A. borderline B. avoidant C. schizotypal D. narcissistic