If researchers wanted to examine the opinions of people listed in a city directory, they might call every tenth or fiftieth or hundredth name listed. This would constitute a
A. quota sample.
B. scale.
C. control variable.
D. random sample.
Answer: D
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According to the biosocial perspective, in a hostile and unpredictable environment, what should we expect to see in fertility rates?
A. increase, meaning more children per family B. decrease, fewer children per family C. no change D. biosocial perspective does not concern itself with the impact of environment on fertility rate
When there is as likely a chance that any one member of the population will be selected for participation in a study, the sample is considered
a. controlled. b. biased. c. random. d. nonrandom.
The Census Bureau reports that the overall economic position of the elderly has:
a. remained constant. b. moved up and down. c. declined slightly. d. improved significantly.
Studies show that blacks are just as likely as whites to be arrested for violating crack cocaine laws.
Answer the following statement true (T) or false (F)