Moors, Guy, Ingrid Vriens, John P.T.M. Gelissen, and Jeroen K. Vermunt. “Two of a Kind. Similarities Between Ranking and Rating Data in Measuring Values”. Survey Research Methods 10, no. 1 (April 11, 2016): 15–33. Accessed May 24, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/6209.