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Samejima, Fumiko2
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Efficient Methods of Estimating the Operating Characteristics of Item Response Categories and Challenge to a New Model for the Multiple-Choice Item. Final Report.
Samejima, Fumiko – 1981
In defense of retaining the "latent trait theory" term, instead of replacing it with "item response theory" as some recent research would have it, the following objectives are outlined: (1) investigation of theory and method for estimating the operating characteristics of discrete item responses using a minimum number of…
Descriptors: Adaptive Testing, Computer Assisted Testing, Factor Analysis, Latent Trait Theory
Plausibility Functions of Iowa Vocabulary Test Items Estimated by the Simple Sum Procedure of the Conditional P.D.F. Approach.
Samejima, Fumiko – 1984
Simple sum procedure of the conditional PDF approach (plausiblity of distractor function) combined with the normal approach method was applied for estimating the plausibility functions of the distractors of the Level II vocabulary subtest items of the Iowa Tests of Basic Skills. In so doing, the normal ogive model was adopted for the correct…
Descriptors: Adaptive Testing, Elementary Secondary Education, Estimation (Mathematics), Item Analysis