The variables in a research project should be
A) clearly identified and operationally defined.
B) randomly assigned to conditions.
C) randomly selected from the population of variables.
D) double checked with appropriate statistical procedures.
Answer: A
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Why did Literary Digest predict the 1936 presidential election incorrectly?
A. Only a small number of ballots were actually returned. B. The sample was badly biased for an election that divided the electorate strongly along economic lines. C. The size of the sample was too big so that the margin of error in the poll was not precise. D. The ballots were sent out from Kansas, where one of the contenders lived.
Ethically,
A) placebo treatment can never be used in medical and psychological research. B) placebo treatment is recommended in medical and psychological research. C) participants should not be told that they may receive a placebo. D) participants should be told they may receive placebo treatment.
In Near v. Minnesota, the Supreme Court issued a strong statement regarding which of the following?
a. exclusionary rule b. prior restraint c. libel d. full faith and credit
How did Eisenhower successfully defeat the adoption of the Bricker Amendment?
A) He stayed its implementation through an executive order until public opinion could be swayed to his side. B) He endorsed competing amendments, used pressure from the White House, and appealed to the public through the press. C) He vetoedthe bill to which the Bricker Amendment was attached and Congress failed to override the veto. D) He impounded the monies that Congress had appropriated for its implementation, so its provisions were never activated.