Scientific tests of theories should be ______________:
a. Based only on experiments
b. Replicable
c. Based on the most difficult cases
d. Unique to every researcher
Ans: b
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The Americans with Disabilities Act, which requires states and localities to make physical and occupational accommodations for disabled persons, is an example of
a. partial pre-emption. b. initial pre-emption. c. total pre-emption. d. implied pre-emption.
In 1948, the Chicago Daily Tribune wrongly predicted that Republican Thomas E. Dewey would beat incumbent President Harry S. Truman
Knowing what you know about the accuracy of various polls, what kind of poll would most likely have led the Tribune to make this erroneous prediction? a. an exit poll b. a push poll c. a random-digit dialing poll d. a straw poll
A winner-take-all system leads to strong disparities between
a. prime minister and parliament. b. interest groups and parties. c. popular votes and seats in a parliament. d. interest groups and the prime minister. e. none of the above.
Most experts agree that, on average, the error rate in counting ballots is roughly
a. essentially zero—there is almost no discernible average error in county ballots. b. 1–2 percent. c. 4–5 percent. d. 10 percent. e. 25 percent.