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Political rhetoric often appeals to sacred values, or nonnegotiable convictions grounded in transcendent authority rather than reasoned consequences. Sacred convictions are treated as absolutes that resist normal value tradeoffs and cast doubt on the moral standing of citizens who violate them. This study examines the political meaning of this form of persuasion in political domains such as guns, gay marriage, the death penalty, and the environment. Experimental evidence suggests that the distinctive effects of sacred appeals are on citizens’ political reasoning and motivation rather than on their expressed opinions. Sacred rhetoric is not more effective in changing minds, but in shifting the nature of public discourse and increasing levels of political intensity. The democratic consequences of sacred rhetoric include greater citizen participation but lesser prospects for meaningful deliberation, a contradictory influence on the health of American democracy.
Morgan Marietta (Tue,) studied this question.