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Using Set Covering with Item Sampling to Analyze the Infeasibility of Linear Programming Test Assembly Models
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Huitzing, Hiddo A. – Applied Psychological Measurement, 2004
This article shows how set covering with item sampling (SCIS) methods can be used in the analysis and preanalysis of linear programming models for test assembly (LPTA). LPTA models can construct tests, fulfilling a set of constraints set by the test assembler. Sometimes, no solution to the LPTA model exists. The model is then said to be…
Descriptors: Mathematical Applications, Simulation, Item Sampling, Item Response Theory
Some Item Analysis and Test Theory for a System of Computer-Assisted Test Construction for Individualized Instruction
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Lord, Frederic M. – Applied Psychological Measurement, 1977
Under given conditions, conventional testing and computer-generated repeatable testing (CGRT) are equally effective for estimating examinee ability; CGRT is more effective for estimating the mean ability level of a group and less effective for estimating ability differences among individuals. These conclusion are drawn from domain-referenced test…
Descriptors: Career Development, Computer Assisted Testing, Difficulty Level, Group Norms