Additional readings provide a jumping-off point for course assignments, papers, research, group work, and class discussion.

Carmines, E. G., & Zeller, R. A. (1979). Reliability and validity assessment. Thousand Oaks, CA: Sage.

Hoover, K., & Donovan, T. (2008). The elements of social scientific thinking (9th ed.). Belmont, CA: Thomson Wadsworth.

Zeller, R. A., & Carmines, E. G. (1980). Measurement in the Social Sciences. Cambridge, England: Cambridge University Press.