In reversal designs, the effects of the independent variable on the dependent variable are demonstrated
A) if the behavior changes in the predicted direction whenever the conditions are reversed.
B) by measuring the dependent variable during a no-treatment baseline, during the treatment, and during the reversal to a no-treatment condition.
C) by measuring the dependent variable at three or four points in time.
D) All of the above
Answer: D
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In the federal system created by the Constitution, which of the following is considered an enumerative power?
a. Coining and regulating currency b. The separation of powers c. Passing intrastate commerce laws d. The Three-Fifths Compromise
Under what conditions is public opinion less likely to play a role in shaping government policy?
A. when an issue is highly visible B. when an issue is buried in complexity and obscurity C. when people have reliable and understandable information about an issue D. when an issue affects the lives of people directly
The Democratic Party is considered to be a minor party in the United States
Indicate whether the statement is true or false.
Which of the following did not contribute to black migration to the North?
a. urban decentralization b. the growth of industrial production that followed World War II c. the decline of southern agriculture d. farm mechanization