Biology Forums - Study Force

In the context of public opinion polls, what is self-selection?
A) a reference to long-term studies of the electorate invalidated by short-term biases
B) a reference to underrepresented groups in public opinion polls that may bias survey results
C) a reference to the timing of public opinion polls that may skew survey results
D) a reference to highly motivated respondents who decide for themselves whether or not to participate in surveys
E) a reference to short-term studies of the electorate invalidated by long-term biases

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