Cottle, C. E. and McKeown, B. (1980) “The Forced-Free Distinction in Q Technique: A Note on Unused Categories in the Q Sort Continuum”, Operant Subjectivity, 3(2). Available at: https://ojs.library.okstate.edu/osu/index.php/osub/article/view/9300 (Accessed: 22November2024).