Americans and Europeans raise their eyebrows as a greeting. Does the same expression occur in other cultures?
a. People in most other cultures do not show the eyebrow-raising expression
b. The expression occurs in most other cultures, but its meaning varies.
c. People in many other cultures show either a much briefer or much longer eyebrow raising.
d. The expression is the same in other cultures, both in meaning and in duration.
d
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Developmental norms indicate
a. the mean age at which individuals display behaviors and abilities. b. the median age at which individuals display behaviors and abilities. c. the modal age at which individuals display behaviors and abilities. d. the exact age at which individuals display behaviors and abilities.
Angela was a teacher who spent lots of time preparing lessons and grading papers, but she hadn't expecting teaching to take so much of her time and energy. Her education had not prepared her for what teaching would really be like. If she represents the average worker, her most likely reactions would involve a. resolve to change the system. b. reality shock
c. dropping her friendships. d. suing the company.
In psychophysical experiments, it is possible to generate the ROC function by changing the participant's decision criterion from conservative to liberal. The experimenter can change the decision criterion by
a. changing the probability that a stimulus rather than noise only will be presented. b. changing the payoffs for hits and false alarms. c. changing the proportion of trials on which a target is presented d. all of these.
Which of the following is NOT one of the three types of descriptive statistics?
a. graphical statistics b. inferential statistics c. measures of central tendency d. measures of variability