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Dodd, Barbara G.1
Koch, William R.1
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Koch, William R.; Dodd, Barbara G. – Educational and Psychological Measurement, 1995
Basic procedures for performing computerized adaptive testing based on the successive intervals (SI) Rasch model were evaluated. The SI model was applied to simulated and real attitude data sets. Item pools as small as 30 items performed well, and the model appeared practical for Likert-type data. (SLD)
Descriptors: Adaptive Testing, Computer Assisted Testing, Item Banks, Item Response Theory