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Lord, Frederic M.; Hamilton, Martha S. – 1972
A numerical procedure is outlined for obtaining an interval estimate of true score. The procedure is applied to several sets of test data. (Author)
Descriptors: Bayesian Statistics, Hypothesis Testing, Psychological Testing, Statistical Analysis
Lord, Frederic M. – 1971
A simple, rigorous, small-sample statistical technique is described for testing the hypothesis that two sets of measurements differ only because of errors of measurement and because of differing origins and units of measurement. (Author)
Descriptors: Error of Measurement, Hypothesis Testing, Mathematical Applications, Mathematics
Lord, Frederic M. – 1971
Some stochastic approximation procedures are considered in relation to the problem of choosing a sequence of test questions to accurately estimate a given examinee's standing on a psychological dimension. Illustrations are given evaluating certain procedures in a specific context. (Author/CK)
Descriptors: Academic Ability, Adaptive Testing, Computer Programs, Difficulty Level