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Strobl, Carolin; Wickelmaier, Florian; Zeileis, Achim – Journal of Educational and Behavioral Statistics, 2011
The preference scaling of a group of subjects may not be homogeneous, but different groups of subjects with certain characteristics may show different preference scalings, each of which can be derived from paired comparisons by means of the Bradley-Terry model. Usually, either different models are fit in predefined subsets of the sample or the…
Descriptors: Individual Differences, Scaling, Statistical Analysis, Models