When there is a significant time lapse between pretest and posttest measures, the confounding variable most likely to affect results would be
A) history.
B) regression to the mean.
C) instrumentation.
D) selection.
Answer: A
Political Science
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On what legal/constitutional basis do such agencies as the Postal Service and the Department of Interior exist?
a. They have been established by Congress through the legislative process. b. They have been established by the president by executive order. c. They have been established by the Constitution in Article I, Section 2. d. They have been established by the United Nations International Fund. e. They have been established by the First Amendment.
Political Science
What is (are) the Nash equilibrium (equilibria) of the Mafia Game if c = 0?
A. Quiet; Quiet
B. Talk; Talk
C. Quiet; Talk and Talk, Quiet
D. Quiet; Quiet and Talk; Talk
Political Science