If we use different methods to observe and measure a phenomenon in two groups, we run the risk of introducing
A) A constraint.
B) An additional degree of freedom.
C) Researcher bias.
D) A confounding factor.
Answer: D
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A short description intended to adequately summarize the purpose of a campaign is a. an elevator pitch
b. a report category. c. a referendum speech. d. an assignment inquiry.
Scholars of peace studies emphasize the __________ level of analysis when recommending strategies for achieving peace
A) individual B) national C) international D) global
If Congress disagrees with a decision of the Supreme Court concerning the interpretation of the U.S. Constitution, it can
A) ignore the decision. B) propose an amendment to the Constitution that would negate the Court's ruling. C) request that the president veto the decision. D) pass a new law that would negate the Court's ruling. E) do nothing because the court has the final say.
Which scientific development has shown that some persons sentenced to death actually did NOT commit the crime?
A) DNA testing B) fingerprint analysis C) hair-strand analysis D) electroencephalography