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'.

240 pages, 1, black & white illustrations

Media	Books Paperback Book (Book with soft cover and glued back)
Released	November 12, 1999
ISBN13	9780761920120
Publishers	SAGE Publications Inc
Pages	240
Dimensions	228 × 152 × 18 mm · 376 g
Language	English

See all of Eugene J. Webb ( e.g. Hardcover Book and Paperback Book )