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An Investigation of the Validity of the Sequential Probability Ratio Test for Mastery Decisions in Criterion-Referenced Testing.

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Frick, Theodore W. – 1986

The sequential probability ratio test (SPRT), developed by Abraham Wald, is one statistical model available for making mastery decisions during computer-based criterion referenced tests. The predictive validity of the SPRT was empirically investigated with two different and relatively large item pools with heterogeneous item parameters. Graduate…

Descriptors: Achievement Tests, Adaptive Testing, Classification, Comparative Analysis