Under what conditions is history a potential confounding factor?
A) When the pretest measures are at an unusually high level.
B) When a disproportionate number of participants are lost from one condition.
C) When participant selection has been biased.
D) When the study takes a fairly long time to complete.
Answer: D
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If voters are to hold public officials accountable through the electoral process, then which of the following assumptions must hold true?
a. Officeholders must be motivated to respond to public opinion by the threat of defeat. b. Citizens must know the candidates for office. c. Citizens must know the record of the person holding office. d. Citizens must participate in the electoral process. e. All of the above
Because of the electorate's greater volatility, predicting and explaining the vote choice among Texans have become more difficult
Indicate whether this statement is true or false.