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Direct linkFerrando, Pere J. – Psychometrika, 2007
Using Lumsden's Thurstonian fluctuation model as a starting point, this paper attempts to develop a unidimensional item response theory model intended for binary personality items. Under some additional assumptions, a new model is obtained in which the item characteristic curves are defined by a cumulative Pearson-Type-VII distribution, and the…
Descriptors: Item Response Theory, Models, Psychometrics, Personality Measures
