IQ scores for a population-based sample usually fall into a __________ or __________ curve, in which most people fall near the middle and the proportions decrease at the low and high extremes.
A. normal distribution; bell
B. camelback; double hill
C. inverted-U; inverted-V
D. variance from the mean; absolute value
Answer: A
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Karl is an obese child. If Karl is like most obese children, he is likely to __________.
A. become an obese adult B. lose weight quickly and keep it off into adulthood C. remain obese as a child but lose the weight in adulthood D. remain obese in middle childhood but lose the weight in his teen years
Two events are mutually exclusive when
a. the occurrence of one event is independent of the occurrence of the other. b. the occurrence of one event precludes the occurrence of the other. c. both events are equally likely. d. the first event precedes the second event.
Adolescents' beliefs can interfere with effective thinking
a. True b. False Indicate whether the statement is true or false
Cross-cultural researchers investigating achievement motivation find
A. individualistic cultures achieve more than collectivist cultures. B. cultures that emphasize group performance tend to achieve more. C. similar levels of need for Achievement in almost all cultures. D. the meaning of achievement varies as a function of culture.