In a nonequivalent control-group design, if the experimental and control groups differ on the dependent measure at pretest, we must rule out confounding due to

A) regression to the mean.
B) instrumentation.
C) selection.
D) Both A and C

Answer: D

Political Science

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Which of the following voting groups played a significant role in President Obama's reelection in 2012?

a. Asians and Protestants b. African American men and white men c. evangelical men and women d. women and Hispanics

Political Science

The Constitution has been called both an enduring document and an ambiguous one. Identify features in the Constitution that support this statement. In addition, discuss the future of the Constitution as a governing document given the growth of ethnic and racial diversity in the U.S

What will be an ideal response?

Political Science