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Direct linkKim, Dong-In; Brennan, Robert; Kolen, Michael – Journal of Educational Measurement, 2005
Four equating methods (3PL true score equating, 3PL observed score equating, beta 4 true score equating, and beta 4 observed score equating) were compared using four equating criteria: first-order equity (FOE), second-order equity (SOE), conditional-mean-squared-error (CMSE) difference, and the equi-percentile equating property. True score…
Descriptors: True Scores, Psychometrics, Equated Scores, Item Response Theory
Download full textKim, Dong-In; Brennan, Robert; Kolen, Michael – 2002
Four equating methods were compared using four equating criteria: first-order equity (FOE), second-order equity (SOE), conditional mean squared error (CMSE) difference, and the equipercentile equating property. The four methods were: (1) three parameter logistic (3PL) model true score equating; (2) 3PL observed score equating; (3) beta 4 true…
Descriptors: Comparative Analysis, Criteria, Elementary Education, Elementary School Students
Tong, Ye; Kolen, Michael – Applied Psychological Measurement, 2005
The performance of three equating methods--the presmoothed equipercentile method, the item response theory (IRT) true score method, and the IRT observed score method--were examined based on three equating criteria: the same distributions property, the first-order equity property, and the second-order equity property. The magnitude of the…
Descriptors: True Scores, Criteria, Raw Scores, Item Response Theory
