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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
Donlon, Thomas F.; Fitzpatrick, Anne R. – 1978
On the basis of past research efforts to improve multiple-choice test information through differential weighting of responses to wrong answers (distractors), two statistical indices are developed. Each describes the properties of response distributions across the options of an item. Jaspen's polyserial generalization of the biserial correlation…
Descriptors: Confidence Testing, Difficulty Level, Guessing (Tests), High Schools
