Gamma measures the proportional reduction in error when predicting
a. the order of pairs of cases on one variable
b. the order of pairs of cases on both variables
c. the order of a pair of cases on one variable with knowledge of the order of the pair on the other variable
d. none of the above
c
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Narcotics impact a person by _________
a. stimulating the nervous system b. increasing the levels of heart activity c. being mildly addictive d. producing drowsiness and mood changes
Household structure has changed little in U.S. since 1900
Indicate whether the statement is true or false
Flashbulb memories feel very real, and people think they can remember them down to the smallest detail. Research on the accuracy of flashbulb memories indicates that
A. this is true. Flashbulb memories are highly accurate and are not likely to be forgotten over time. B. this is false. Due to the highly emotional nature of flashbulb memories, they are usually forgotten quickly. C. this is false. When comparing people's memories with independent records of actual events, people's memories are often wrong. D. this is true for younger adults but not for older adults.
The idea of social structure, which refers to the fact that social forces not always visible to the human eye guide and shape human behavior, means that
A. people have no meaningful behavioral choices. B. individuals cannot change in meaningful ways unless society does. C. choices about behavior are conditioned largely by one’s location in society. D. there is little to be gained from the study of individual behavior.