Richard A. Zeller

Measurement in the Social Sciences: The Link Between Theory and Data

Edward G. Carmines, E. Carmines, R. Zeller, 1980, American Political Science Review.

Focus Group Methods

Richard A. Zeller, Peggy Y. Byers, Bryan Byers, 2012 .

Combining Qualitative and Quantitative Techniques to Develop Culturally Sensitive Measures

R. Zeller, Richard A. Zeller, 2002 .

Focus Group Research on Sensitive Topics: Setting the Agenda without Setting the Agenda

R. Zeller, Richard A. Zeller, 1993 .

Measurement in the social sciences

Edward G. Carmines, Roy D. Howell, R. Howell, 1980 .