Saebjornsen, S. E. N., I. T. Ellingsen, J. M. Good, and A. ØdegaÌŠrd. “Combining a Naturalistic and Theoretical Q Sample Approach: An Empirical Research Illustration”. Operant Subjectivity, vol. 38, no. 2, Apr. 2016, https://ojs.library.okstate.edu/osu/index.php/osub/article/view/8735.