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Unobtrusive Measures - Webb, Eugene J, Dr., and Campbell, Donald T, Dr., PhD, and Schwartz, Richard D
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Thirty-five years ago, the four authors of this book addressed the problems of validity in social science research. They were interested in new and unused methods for obtaining information. The original edition and an expanded version have often been cited as justification for using novel means to supplement, if not replace, conventional techniques, especially survey and archival research. Illustrations abound in this book. While the novelty of the illustrations will keep many a graduate student amused, the more serious ...

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Unobtrusive Measures 1999, Sage Publications, Inc, Thousand Oaks

ISBN-13: 9780761920120

Revised edition

Trade paperback

Unobtrusive Measures 1999, Sage Publications, Inc, Thousand Oaks

ISBN-13: 9780761920113

Revised edition

Hardcover