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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
