In the context of public opinion polls, what is self-selection?
a. a reference to the timing of public opinion polls that may skew survey results
b. a reference to the ability of respondents to decide whether to participate in surveys
c. a reference to long-term studies of the electorate invalidated by short-term biases
d. a reference to short-term studies of the electorate invalidated by long-term biases
b
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After _____________________, President George W. Bush saw presidential approval ratings at an all-time high
Fill in the blank(s) with correct word
A leading magazine wants to conduct a survey on various issues related to women. For the survey, it decides to include appropriate numbers of women in terms of age, race and ethnicity, geography, income, and religious affiliation. Which form of sampling is the magazine trying to incorporate in the survey?
A. Biased sampling B. Cutoff sampling C. Minimax sampling D. Accidental sampling E. Random sampling