Threats to internal validity include all of the following EXCEPT

A) selection bias. B) quasi-experimental.
C) testing. D) history.


B

Political Science

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How is strategic trade policy different from a free trade system?

What are the advantages of each? Give an example of U.S. participation in strategic trade policy and an example of U.S. participation in a free trade system. In your opinion, should U.S. foreign policy focus more on strategic trade policy or on promoting a free trade system? Why?

Political Science

Our expectations of state and local executives have gone through three historical states. Which of the following is not among the three stages?

A. executive representation B. neutral competence C. polarized pluralism D. executive leadership

Political Science

Which of the following is NOT a power of the Leader?

a. He can mediate between the legislature, the executive, and the judiciary. b. He chooses the president. c. He is commander-in-chief. d. He has extensive appointment and removal powers over the judiciary. e. He can nominate clerics to the Guardian Council.

Political Science

Brown v. Board of Education (1954)'s Supreme Court decision allowed separate education of black and white children to continue

A. True B. False

Political Science