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Lewis, Charles1
Sheehan, Kathleen1
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Sheehan, Kathleen; Lewis, Charles – Applied Psychological Measurement, 1992
A procedure is introduced for determining the effect of testlet nonequivalence on operating characteristics of a testlet-based computerized mastery test (CMT). The procedure, which involves estimating the CMT decision rule twice with testlet likelihoods treated as equivalent or nonequivalent, is demonstrated with testlet pools from the Architect…
Descriptors: Bayesian Statistics, Computer Assisted Testing, Computer Simulation, Equations (Mathematics)