Matched random assignment is used in situations in which random assignment would
A) increase chances of unequal sample sizes.
B) cause possible confounding because the groups may be unequal on key dimensions.
C) not be possible because the researcher has too much prior knowledge about the participants.
D) not be possible because the researcher has too little prior knowledge about the participants.
Answer: B
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Central purchasing offices in state and local governments permit economies of scale when governments buy services and goods
a. True b. False
A critical perspective on globalization is that
a. the trend will create jobs and wealth in impoverished nations. b. the trend will spark a diffusion of culture around the world. c. the trend will result in greater concentration of power and authority. d. the trend is an attempt by developed nations to inject Western values into other regions.
Which of the following terms refers specifically to the rights of all Americans to equal treatment under the law?
A. Civil liberties B. Civil rights C. Common law rights D. Inalienable rights E. Natural rights
Which of the following statements about health care in the United States compared with other industrialized nations is accurate?
a. The United States has lower health care costs because its people are healthier. b. Other industrialized nations have lower health care costs and better health. c. Other industrialized nations have higher health care costs because doctors are paid more. d. The United States has the highest health care costs because we have the most advanced universal health care system in the world.