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Polls and Surveys: Understanding What They Tell Us.By Norman M. Bradburn and Seymour Su...
Polls and Surveys: Understanding What They Tell Us.By Norman M. Bradburn and Seymour Sudman. Jossey-Bass, 1988. 249 pp. $22.95 andTrends in Public Opinion: A Compendium of Survey Data.By Richard G. Niemi, John Mueller, and Tom W. Smith. Greenwood Press, 1989. 325 pp. $49.95