Unobtrusive measures
Unobtrusive measures [electronic resource] /
Eugene J. Webb ... [et al.].
- Rev. ed.
- Thousand Oaks, Calif. ; London : SAGE, c1999.
- 1 online resource (xix, 220 p.).
- Sage classics ; 2 .
- Sage classics ; 2. .
Previous ed.: published as Nonreactive measures in the social sciences. 2nd ed. 1981.
Includes bibliographical references and index.
9781452243443 (ebook) : No price
Social sciences--Research.
H62 / .N675 1999
300.72
Previous ed.: published as Nonreactive measures in the social sciences. 2nd ed. 1981.
Includes bibliographical references and index.
9781452243443 (ebook) : No price
Social sciences--Research.
H62 / .N675 1999
300.72