Three dissimilarity measures for the unconstrained sorting task are investigated. All three are metrics, but differ in the kind of compensation which they make for differences in the sizes of cells within sortings. Empirical tests of the measures are done with sorting data for occupations names and the names of behaviors, using multidimensional…

Leisure activities are widely used in research to predict important outcomes, but the existing studies use different classification schemes and apparently rely on the intuition of the researcher to classify activities. The goal of the current study was to use the Holland RIASEC personality system to empirically classify activities using a sample…

The aim of this study is to suggest an alternative to the essay testing method of assessing structural understanding of concepts, which suffers from time constraints and lack of scoring reliability. In this method, students' relationship judgments between concept pairs are examined directly rather than by means of multidimensional scaling analysis…