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Han, Kyung T.; Rudner, Lawrence M. – Graduate Management Admission Council, 2014
This study uses mixed integer quadratic programming (MIQP) to construct multiple highly equivalent item pools simultaneously, and compares the results from mixed integer programming (MIP). Three different MIP/MIQP models were implemented and evaluated using real CAT item pool data with 23 different content areas and a goal of equal information…
Descriptors: Item Banks, Programming, Computer Assisted Testing, Adaptive Testing
Talento-Miller, Eileen; Guo, Fanmin; Han, Kyung T. – Graduate Management Admission Council, 2012
When power tests include a time limit, it is important to assess the possibility of "speededness" for examinees. Research on differential speededness in the past has included looking at gender and ethnic subgroups in the United States on paper and pencil tests. The needs of a global audience necessitated, and the availability of computer…
Descriptors: College Entrance Examinations, Graduate Study, Business Administration Education, Timed Tests