The best way to test the hypothesized link between mercury poisoning and autism would be with
A) An experiment.
B) A differential research study because an experiment would be unethical.
C) Either an experiment or a differential research study.
D) A case study.
Answer: B
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The 1976 nomination of Jimmy Carter demonstrated the need for candidates to ________
A) run as independent candidates B) be members of Congress C) focus on caucuses instead of primaries D) be Washington insiders E) appeal directly to voters
Which of the following agencies determines the poverty threshold?
A. Social Security Administration B. U.S. Census Bureau C. Department of Health and Human Services D. Department of Agriculture
Which Supreme Court case in 1833 established that the Bill of Rights restricted only the behavior of the federal government and did not limit state powers? (The Fourteenth Amendment later changed this.)
a. United States v. Palko b. Griswold v. Connecticut c. Gibbons v. Ogden d. McCulloch v. Maryland e. Barron v. Baltimore
With respect to warfare, __________.
A. the long-term trend is that there are fewer wars but more people being killed in them B. the advances in technology lead us to fear annihilation of the world more than destruction of a city C. major wars will continue regardless of trends toward fewer wars D. today's most serious conflicts consist mainly of skirmishing rather than all-out battles