Unobtrusive Measures
| Use attributes for filter ! | |
| Google books | books.google.com |
|---|---|
| Authors | Eugene J. Webb |
| Richard D. Schwartz | |
| Donald T. Campbell | |
| Preceded by | Social Experimentation |
| Followed by | Social Measurement |
| Editors | Eugene J. Webb |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3130974 |
About Unobtrusive Measures
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. . . .