Resumo

LOZZIA, Gabriela  e  ATTORRESI, Horacio. Especificación del algoritmo para un Test Adaptativo Informatizado de Analogías Verbales. Summa psicol. UST (En línea) [online]. 2012, vol.9, n.2, pp. 15-23. ISSN 0718-0446.

This paper presents the steps followed in the design of a Computerized Adaptive Test to measure Verbal Analogies. The adaptive algorithm was determined upon the characteristics of a Verbal Analogies' Item Bank constructed on the basis of Item Response Theory, the assessment objectives, the studied population and software features. The Bank consists of 64 unidimensional items calibrated with the Three Parameter Logistic Model, which are informative throughout the entire latent trait's range and free of differential item functioning between genders. The adaptive algorithm was programmed via FastTEST Professional Testing System using the following specifications: a) random start between levels slightly below average trait, b) Conditional Maximum Likelihood Trait Estimation, c) progressive items selection by Maximum Fisher Item Information, and d) combined stopping rule.

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