Rhoads, James C. (2007). Q methodology. In Neil J. Salkind (Ed.) and Kristin Rasmussen (Managing Ed.), Encyclopedia of measurement and statistics (Vol. 3, pp. 799-802). Thousand Oaks, CA, London, and New Delhi: Sage Publications.

This 2000-word entry is at the beginning of Volume 3 of this Encyclopedia and is a clear and well-written summary of all the main features of Q methodology, including concourse, Q samples, P sets, Q sorting, factor analysis and rotation, and single-case studies. The entry includes two tables — examples of a scoring form and of a factor matrix — and allusions to several crisp examples. It concludes with eight references for further reading. James Rhoads <jrhoads@westminster.edu>is at Westminster College (New Wilmington, PA, USA) and is a past president of the International Society for the Scientific Study of Subjectivity.

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Author of Political Subjectivity (Yale University Press 1980), founding editor of Operant Subjectivity (1977), organizer of first Q conference (1985) and founding member of the International Society for the Scientific Study of Subjectivity (1989), founder and moderator of Q-Method electronic discussion list (1991), and laureate of ISSSS's William Stephenson Award (2010). Also past editor of Policy Sciences, co-founder of the International Society of Political Psychology and the Society of Policy Scientists, list manager of PolicySciencesSociety, executive director of ISPP, laureate of ISPP's Harold Lasswell Award (2009) for lifetime scientific contributions, and Kappa Tau Alpha award (2001) for contributions to journalism and mass communication.