In order to support the hypothesis that the independent variable has influenced the dependent variable,
A) a significantly high within-groups variation is necessary.
B) careful reduction of all variation is necessary.
C) a significantly high between-groups variation is necessary.
D) a sample size of at least 30 is necessary.
Answer: C
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In 1903 President Theodore Roosevelt sent a U.S. warship to prevent the Colombian government from using military forces to end Panama's attempt to set itself up as a separate state. This provides an example of
a. a show of force. b. terrorism. c. guerrilla war. d. conventional war. e. None of the above is correct.
In order to have a science of behavior, we have to accept the basic assumption that
a. psychology focuses in perceptions, images, and other phenomena that have no real basis in nature. b. the underlying causes of behavior are usually irrational or illogical. c. there are lawful, deterministic relations between behavior and its causes. d. there are no lawful relations between behavior and its causes
An opinion written by a justice who disagrees with the decision of the majority is known as a
A. concurring opinion. B. majority opinion. C. per curiam opinion. D. plurality opinion. E. dissenting opinion.
Which of the following is unique to the Senate?
a. Seniority system b. Majority leader c. Committee leaders d. Congressional caucus e. The filibuster