Question

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 underrepresented groups in public opinion polls that may bias survey results
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
e. a reference to highly motivated respondents who decide for themselves whether or not to participate in surveys

Answer

This answer is hidden. It contains 1 characters.