Question: Which statement about the attributes of public opinion is correct? a. A survey (poll) question that asked Americans whether they favor or oppose extending the eligibility period for unemployment benefits to those without jobs would be measuring the salience of the issue. b. A survey (poll) question that asked Americans whether they think the issue of unemployment benefits is the nation's top issue would be measuring the salience of the issue. c. A survey (poll) questions that asked Americans whether they feel strongly enough about the unemployment benefits issue to base their vote on it would be measuring the salience of the issue.