The trend toward early retirement
a. involves predominantly people with poor health.
b. is common for government workers but uncommon in private industry.
c. is common among white-collar and blue-collar workers.
d. is dramatically reversing as the health of older people improves.
ANSWER: c
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Which social thinker produced ground-breaking research on race in America?
A. Emile Durkheim B. Jane Addams C. Harriet Martineau D. W. E. B. Du Bois
If there is a positive association between two variables,
a. as one variable increases in value, the other also increases. b. as one variable decreases in value, the other increases. c. the researcher can be certain of his conclusions. d. neither variable can decrease.
A society with a small elite class and a plantation-based economy will often develop a form of minority relations called ______.
A. split labor market B. socialism C. paternalism D. capitalism
A research article reports the following: “The mean performance scores for the Normal Sleep, Reduced Sleep, and No Sleep groups were 18.0, 16.6, and 15.6, respectively, F(2,36 ) = 2.95, p < .05.” Based on this information, which conclusion is most
accurate? A) People who get no sleep perform significantly worse than people who sleep a reduced amount. B) People who sleep a reduced amount perform significantly worse than people who sleep a normal amount. C) The three groups do not all come from populations with the same mean, although it is not clear which population means are different. D) This null hypothesis cannot be rejected.