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Peer reviewedDorans, Neil J.; Lawrence, Ida M. – Applied Measurement in Education, 1990
A procedure for checking the score equivalence of nearly identical editions of a test is described and illustrated with Scholastic Aptitude Test data. The procedure uses the standard error of equating and uses graphical representation of score conversion deviations from the identity function in standard error units. (SLD)
Descriptors: Equated Scores, Grade Equivalent Scores, Scores, Statistical Analysis
Peer reviewedYen, Wendy M.; Candell, Gregory L. – Applied Measurement in Education, 1991
Empirical reliabilities of scores based on item-pattern scoring, using 3-parameter item-response theory and number-correct scoring, were compared within each of 5 score metrics for at least 900 elementary school students for 5 content areas. Average increases in reliability were produced by item-pattern scoring. (SLD)
Descriptors: Elementary Education, Elementary School Students, Grade Equivalent Scores, Item Response Theory
