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Peer reviewedLeucht, Richard M. – Applied Psychological Measurement, 1998
Presents a variation of a "greedy" algorithm that can be used in test-assembly problems. The algorithm, the normalized weighted absolute-deviation heuristic, selects items to have a locally optimal fit to a moving set of average criterion values. Demonstrates application of the model. (SLD)
Descriptors: Algorithms, Computer Assisted Testing, Criteria, Heuristics
Peer reviewedvan der Linden, Wim J. – Applied Psychological Measurement, 1998
Reviews optimal test-assembly literature and introduces the contributions to this special issue. Discusses four approaches to computerized test assembly: (1) heuristic-based test assembly; (2) 0-1 linear programming; (3) network-flow programming; and (4) an optimal design approach. Contains a bibliography of 90 sources on test assembly.…
Descriptors: Adaptive Testing, Computer Assisted Testing, Heuristics, Linear Programming
Peer reviewedStocking, Martha L.; And Others – Applied Psychological Measurement, 1993
A method of automatically selecting items for inclusion in a test with constraints on item content and statistical properties was applied to real data. Tests constructed manually from the same data and constraints were compared to tests constructed automatically. Results show areas in which automated assembly can improve test construction. (SLD)
Descriptors: Algorithms, Automation, Comparative Testing, Computer Assisted Testing
Peer reviewedArmstrong, R. D.; And Others – Applied Psychological Measurement, 1996
When the network-flow algorithm (NFA) and the average growth approximation algorithm (AGAA) were used for automated test assembly with American College Test and Armed Services Vocational Aptitude Battery item banks, results indicate that reasonable error in item parameters is not harmful for test assembly using NFA or AGAA. (SLD)
Descriptors: Algorithms, Aptitude Tests, College Entrance Examinations, Computer Assisted Testing
Peer reviewedVale, C. David; Gialluca, Kathleen A. – Applied Psychological Measurement, 1988
To determine which produced the most accurate item parameter estimates, four methods of item response theory were evaluated: (1) heuristic estimates; (2) the ANCILLES program; (3) the LOGIST program; and (4) the ASCAL program. LOGIST and ASCAL produced estimates of superior and essentially equivalent accuracy. (SLD)
Descriptors: Comparative Analysis, Computer Assisted Testing, Computer Software, Estimation (Mathematics)
