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Peer reviewedBlixt, Sonya L.; Shama, Deborah D. – Educational and Psychological Measurement, 1986
Methods of estimating the standard error at different ability levels were compared. Overall, it was found that at a given ability level the standard errors calculated using different formulas are not appreciably different. Further, for most situations the traditional method of calculating a standard error probably provides sufficient precision.…
Descriptors: College Freshmen, Error of Measurement, Higher Education, Mathematics Achievement
Peer reviewedLord, Frederic M. – Journal of Educational Measurement, 1984
Four methods are outlined for estimating or approximating from a single test administration the standard error of measurement of number-right test score at specified ability levels or cutting scores. The methods are illustrated and compared on one set of real test data. (Author)
Descriptors: Academic Ability, Cutting Scores, Error of Measurement, Scoring Formulas
