positive advertising / campaign advertising / advertising treatments / televised political advertising / media market / divergent advertising effects / media exposure / political communications / political advertising / television advertising / political advertising literature / media effects / media markets / impersonal communications forms / advertising exposure / political advertising dial test experiments / /
Organization
Republican Party / Department of Political Science / Supreme Court / Stanford University / University of Michigan / /
Person
Clinton / Barack Obama / John McCain / /
PoliticalEvent
presidential voting / general election / presidential election / presidential elections / general elections / /