If a human observer becomes more proficient in the course of a study, the type of threat to internal validity is called a change in
A) proficiency.
B) instrumentation.
C) research bias.
D) regression to the mean.
Answer: B
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. __________ often support programs for the poor out of a sense of religious or moral obligation
a) Liberals b) Churches c) Special interests d) The government
All of the following statements about demonstrations are true EXCEPT
A. if peaceable, they are protected by the First Amendment. B. they were used to great effect by the civil rights movement. C. they were used by the movement against the Vietnam War. D. they are organized refusals to buy the products of a particular company. E. if violent, they can backfire and alienate the public.
Which of the following is CORRECT about the rapid aging of Japan's population?
a. It is the result of a combination of a high life expectancy and a low birthrate. b. It means that there is a significant shortfall in the number of workers. c. It has led to increased government spending not only on social security and health care for the elderly but also on birthrate-boosting efforts. d. Although other industrialized countries are also "graying," the situation is most extreme in Japan. e. All of these
Voting for someone who is charismatic but whose policies might not benefit you would be considered __________ behavior
a. irrational b. rational c. legitimate d. selfish