The results of the scatter diagram showing the relation
between countries' GDP per capita and life expectancy show that:
a. higher national wealth causes people to live longer.
b. higher national wealth is correlated with people living longer.
c. living longer causes increases in national wealth.
d. the comparative cases method of comparative analysis can be a useful way of testing a hypothesis.
Answer: b
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The first treaty in which the United States and the USSR agreed to reduce their nuclear arsenals was
A) the Strategic Arms Limitation Talks. B) the Nuclear Nonproliferation Treaty. C) the Intermediate-Range Nuclear Forces Treaty. D) détente. E) the Paris Peace Talks in 1944.
The Constitution grants ________ the right to control the Supreme Court's jurisdiction.
A. the attorney general of the United States B. the Supreme Court C. Congress D. the Senate E. the president
How might a bill become law if it has been pocket vetoed?
a. Congress may override the pocket veto with a three-fourths vote in each chamber. b. Congress may override the pocket veto with a two-thirds vote in each chamber. c. The bill can be reintroduced during the next session of Congress. d. The bill can never become law.
The results of research that uses small sample sizes may not be a problem when
a. effect sizes are large. b. researchers are only replicating earlier research. c. the research involves probability sampling d. samples are heterogeneous.