What can we conclude in a time-series design if the dependent variable shows a marked change in the predicted direction at precisely the point at which we have randomly introduced the treatment?
A) Such a change is likely to have occurred because of maturation.
B) We have a convincing illustration that the independent variable was effective.
C) Such a change is likely to have occurred because of history.
D) We cannot conclude anything.
Answer: B
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According to Chenoweth and Stephan, the political opportunity explanation of the success or failure of resistance campaigns is inadequate because it __________
a. does not tell us why some campaigns succeed with few opportunities and some fail with many b. does not explain where political opportunities come from c. does not accurately depict the structure of domestic politics d. focuses too much on group action rather than group characteristics
The Three-Fifths Compromise, which was crafted to address the impasse on slavery,
A) avoided the use of the word "slave," instead referring to "all other persons." B) did not abolish slavery, but did bring an immediate end to the importation of slaves into this country. C) illustrated the power of the Northern states at the convention. D) brought an immediate end to the institution of slavery. E) enhanced the influence that Northern states would have in a newly created Congress.
After Napoleon's defeat in 1815, the Congress of Vienna established a bipolar order in Europe
Indicate whether this statement is true or false
Recent changes to the age of the American population are most likely to put a strain on which of the following?
A. immigration B. Medicare C. national security D. public schools