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Public Policy and the Mass Media

2010

At the risk of being accused of gross oversimplification, we suggest that the role of the media in the public policy process can be characterized by four distinct theories. All of the theories fundamentally focus on the interactions between 'the media' collectively characterized, and 'the politicians', again collectively characterized. We can summarize them as follows: Influence Theory: The media tell the politicians what to think. Agenda Setting Theory: The media tell the politicians what to think about. Indexing Theory: The politicians tell the media what to write about. In this paper, we propose a fourth characterization: Detection Theory: Politicians and the media struggle to identify, characterize, and prioritize complex multiple information streams.