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Download full textLiu, Xiufeng – 1992
The difference between compensatory and non-compensatory item response theory (IRT) models in terms of the dimensionality of test data generated by them, and its effect on the model-data-fit were examined. The STRESS (proportion of variance not accounted for by the multidimensional scaling model) and RSQ (proportion of variance accounted for by…
Descriptors: Chi Square, Comparative Analysis, Computer Simulation, Foreign Countries
Knol, Dirk L.; Berger, Martijn P. F. – 1988
Many multidimensional item response theory (IRT) models have been proposed. A comparison is made between the so-called full information models and the models that use only pairwise information. Three multidimensional models described are: (1) the compensatory model of R. D. Bock and M. Aitken (1981) using the computer program TESTFACT; (2) a model…
Descriptors: Comparative Analysis, Computer Simulation, Computer Uses in Education, Factor Analysis
