Of the major extraneous variables discussed in this chapter, which is most likely a source of confounding in an interrupted time-series design?
a. participant expectations
b. history
c. attrition
d. regression
B
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According to some realist scholars, the ethics of world politics is best described as
a. justice will always prevail. c. capitalists that exploit the poor. b. might makes right. d. no bad deed goes unpunished.
In the History of Warfare, John Keegan says that war is ______.
a. universally occurring across places and times b. a relatively modern international phenomenon c. universal in method and technique across societies d. rapidly increasing as a means to settle disputes
Social policy in the United States is dominated by a common belief among Americans in the
A. ethic of self-reliance. B. value of group harmony. C. need to protect all citizens. D. value of preferential hiring. E. sense of community.
Market competition has provided a collective good in offering more people easier access to a greater variety of news.
Answer the following statement true (T) or false (F)