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Raju, Nambury S. – Educational and Psychological Measurement, 1982
Rajaratnam, Cronbach and Gleser's generalizability formula for stratified-parallel tests and Raju's coefficient beta are generalized to estimate the reliability of a composite of criterion-referenced tests, where the parts have different cutting scores. (Author/GK)
Descriptors: Criterion Referenced Tests, Cutting Scores, Mathematical Formulas, Scoring Formulas
Peer reviewed Peer reviewed
Frary, Robert B.; Hutchinson, T.P. – Educational and Psychological Measurement, 1982
Alternate versions of Hutchinson's theory were compared, and one which implies the existence of partial knowledge was found to be better than one which implies that an appropriate measure of ability is obtained by applying the conventional correction for guessing. (Author/PN)
Descriptors: Guessing (Tests), Latent Trait Theory, Multiple Choice Tests, Scoring Formulas
Peer reviewed Peer reviewed
Aiken, Lewis R.; Williams, Newsom – Educational and Psychological Measurement, 1978
Seven formulas for scoring test items with two options (true-false or multiple choice with only two choices) were investigated. Several conditions, such as varying directions for guessing and whether testees had prior knowledge of the proportions of false items on the test were also investigated. (Author/JKS)
Descriptors: Guessing (Tests), Higher Education, Knowledge Level, Multiple Choice Tests