Which correlation coefficient is most likely to describe the relationship between brushing one's teeth and the number of cavities one gets?
A. -.62
B. .83
C. -.08
D. .45
Answer: A
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Which of the following is true about projective tests?
A. Test-takers are presented with ambiguous stimuli. B. Test-givers are trained to recognize correct and incorrect answers. C. Projective tests are typically used to determine where a person lies on a particular personality trait dimension. D. Although once popular, projective tests are rarely used by psychologists today.
George is a prospective juror who believes that an African American defendant is more likely to be guilty of a crime than a white defendant. According to Chapter 12, this preexisting belief that George has is considered to be
A. general prejudice. B. preexisting prejudice. C. generic prejudice. D. preformed opinions.
Damon has an average memory, and he is trying to keep a seven-digit phone number in his short-term memory. This number is likely to be
A. too long for him to keep in short-term memory. B. forgotten after one second if it is unrehearsed. C. encoded acoustically rather than semantically. D. remembered if Damon's levels of acetylcholine are low.
In psychological studies, randomization is used to ensure that
a. there will be an independent and dependent variable. b. each person has an equal chance of being assigned to each group. c. the control group does not know the purpose of the study. d. the experimenter won't know who is in each group.