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Samejima, Fumiko – 1983
Some cognitive psychologists, who have tried to approach psychometric theories, say that the psychometric approach does not provide them with theories and methods with which they can deal with differential strategies. In this paper, a general latent trait model for differential strategies in cognitive processes is proposed which includes three…
Descriptors: Adaptive Testing, Classification, Cognitive Processes, Estimation (Mathematics)
Download full textKim, Seock-Ho; Cohen, Allan S. – 1997
Type I error rates of the likelihood ratio test for the detection of differential item functioning (DIF) were investigated using Monte Carlo simulations. The graded response model with five ordered categories was used to generate data sets of a 30-item test for samples of 300 and 1,000 simulated examinees. All DIF comparisons were simulated by…
Descriptors: Ability, Classification, Computer Simulation, Estimation (Mathematics)
