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Adaptive Testing2
Computer Assisted Testing2
Linear Programming2
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Estimation (Mathematics)1
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Applied Psychological…2
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Reese, Lynda M.1
Timminga, Ellen1
van der Linden, Wim J.1
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Solving Infeasibility Problems in Computerized Test Assembly.
Peer reviewed Peer reviewed
Timminga, Ellen – Applied Psychological Measurement, 1998
Discusses problems of diagnosing and repairing infeasible linear-programming models in computerized test assembly. Demonstrates that it is possible to localize the causes of infeasibility, although this is not always easy. (SLD)
Descriptors: Adaptive Testing, Computer Assisted Testing, Linear Programming, Test Construction
A Model for Optimal Constrained Adaptive Testing.
Peer reviewed Peer reviewed
van der Linden, Wim J.; Reese, Lynda M. – Applied Psychological Measurement, 1998
Proposes a model for constrained computerized adaptive testing in which the information in the test at the trait level (theta) estimate is maximized subject to the number of possible constraints on the content of the test. Test assembly relies on a linear-programming approach. Illustrates the approach through simulation with items from the Law…
Descriptors: Ability, Adaptive Testing, Computer Assisted Testing, Estimation (Mathematics)