One reason to prescreen participants is to ______.
A. increase external validity
B. ensure that the study is ethical
C. increase heterogeneity of the sample
D. ensure the study uses random assignment
Ans: B
You might also like to view...
Which of the following is a defining symptom of anorexia nervosa?
a. amenorrhea b. fear of gaining weight c. binge eating d. depression
Of the following causes, what do adults in their 20s and 30s have a higher risk of dying from?
A. alcoholism B. automobile accidents C. drug abuse D. suicide
According to the discussion of sexual scripts,
a. men are usually the initiators of a sexual relationship. b. if women like their partners, they typically speed up the pace of a sexual relationship. c. in most married couples today, either women or men can take the sexual initiative. d. women enjoy sexual activity much more than men.
According to error management theory, when it comes to making decisions about dating members of the opposite sex, men will be relatively more prone to ____, while women will be relatively more prone to ____
a. risk aversion; reactance b. temporal discounting; risk aversion c. the omission bias; risk aversion d. reactance; temporal discounting