Selecting research methods /
edited by W. Paul Vogt.
- 3 volumes ; 25 cm.
- Sage benchmarks in social research methods .
- Sage benchmarks in social research methods. .
Includes bibliographical references.
v. 1. Selecting designs for gathering evidence -- v. 2.Methods to sample, recruit, and assign cases -- v. 3. Methods for coding and measuring data -- v. 4. Methods for analysing and reporting results.