The following list of journal articles and books provide extended reading on topics covered in chapter 26 in the second edition. Please note that journal articles are free to access, whereas book extracts (denoted by methods.sagepub.com URLs) require your university to have a subscription to SAGE Research Methods.

Spector, P. E. (1992). Summated rating scale construction: An introduction. Newbury Park, CA: Sage
A major technique for questionnaire users has been the development of scales and Spector sets of the methodology using Classical Test Theory very clearly in this short book