We believe that political knowledge is fundamentally a unidimensional phenomenon, and thus a single measurement scale, properly constructed, can measure it adequately. For evidence regarding the dimensionality of political knowledge, see Zaller ( 1986) and Delli Carpini and Keeter ( 1990). For an alternative view, see Iyengar ( 1990).
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Publication information: Book title: Public Opinion, the Press, and Public Policy. Contributors: J. David Kennamer - Editor. Publisher: Praeger Publishers. Place of publication: Westport, CT. Publication year: 1994. Page number: 40.
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