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 purpose is to authorize and motivate ingenuity in obtaining...
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...
Eugene J. Webb Donald T. Campbell Richard D. Swartz
This updated edition of Unobtrusive Measures builds on the earlier version's drive to justify novel techniques of survey and archival research. This book encourages and motivates ingenuity in obtaining information. The authors combine different methods so that research results can withstand the 'threats to validity'.
This updated edition of Unobtrusive Measures builds on the earlier version's drive to justify novel techniques of survey and archival research. This b...
