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1 There are areas of commonality, or consensus, within American public opinion, including consensus on the legitimacy of the government, equality of opportunity, liberty, and democracy.
As the standard by which we judge the strength of American democracy, public opinionâits origins, its development, and its influenceâis a key concern of modern political science. Operating at both the individual level and the collective level, public preferences are quite complex. Understanding the origins of public opinion, the state of contemporary public knowledge about politics, and the ways that political elites shape and measure public opinion are the key aims of this chapter.