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Weiss, David J.	2
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Simulation Studies of Two-Stage Ability Testing. Research Report 74-4.

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Betz, Nancy E.; Weiss, David J. – 1974

Monte Carlo simulation procedures were used to study the psychometric characteristics of two two-stage adaptive tests and a conventional "peaked" ability test. Results showed that scores yielded by both two-stage tests better reflected the normal distribution of underlying ability. Ability estimates yielded by one of the two stage tests…

Descriptors: Ability, Academic Ability, Adaptive Testing, Computers

A Comparison of Information Functions of Multiple-Choice and Free-Response Vocabulary Items. Research Report 77-2.

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Vale, C. David; Weiss, David J. – 1977

Twenty multiple-choice vocabulary items and 20 free-response vocabulary items were administered to 660 college students. The free-response items consisted of the stem words of the multiple-choice items. Testees were asked to respond to the free-response items with synonyms. A computer algorithm was developed to transform the numerous…

Descriptors: Ability, Adaptive Testing, Algorithms, Aptitude Tests