Despite their pervasiveness in American life, with subjects   ranging from how citizens will vote in presidential elections to opinions   about American Idol contestants, considerable misunderstanding exists about   the conduct and interpretation of polls.   Politicians, interest groups,   political parties, advertisers, media outlets, and academics alike point to   what the public has expressed through any number of public opinion polls to   bolster their positions and arguments. Given the ever-increasing prevalence   and frequent misinterpretation of polls, students need to become better   consumers of poll results.     
This updated seventh edition builds on a proven framework, closely   examining structural aspects of polls, methodological procedures, and the   function of polls in electoral politics. New material examines a number of   methodological areas including possible meanings of the "don't know" or   middle response, more detailed coverage of sampling and response rates,   consideration of nonattitudes, and greater discussion of reliability,   validity and index construction. End-of-chapter exercises further the   book's goal of educating individuals to become savvy to the use and misuse   of polls....