Why does a good experiment include a control group?
a. it increases the number of people in the study, and hence, the generalizability of the results
b. it gives us information about how participants would perform without experiencing the experimental treatment
c. it eliminates the effects of external validity
d. control groups have been an established part of scientific tradition for many decades
B
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Classifying states according to their level of democracy is an example of
a. a typology. b. a causal theory. c. a model. d. levels of analysis. e. a hypothesis.
The first American president to visit communist China was __________ and at the time he was met by the respected Chinese prime minister __________
a. Jimmy Carter; Zhou Enlai b. Richard Nixon; Zhou Enlai c. Jimmy Carter; Mao Zedong d. Richard Nixon; Deng Xiaoping e. Bill Clinton; Deng Xiaoping
Public agencies
a. play an important role in shaping public policy. b. do not provide testimony in support of policy proposals. c. have no role in formulating public policy. d. are not involved in the policy process.
__________ in foreign policy argue that the United States should "go it alone" in the pursuit of its national interests
a. Isolationists b. Unilateralists c. Multinationalists d. Globalists