Abstract
This study explores the attribute agenda-setting effects and attribute priming effects of news coverage on the issue of same-sex marriage. The affective attribute salience of news coverage on the same-sex marriage issue is stronger when related to public opinion than the substantive attribute salience of the news coverage. News coverage on the issue is strongly associated with audience attitudes about controversial issues. Last, on controversial issues, news media have long-term, rather than short-term, effects on public opinion.
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