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Download full textHendrickson, Amy B.; Kolen, Michael J. – 2001
This study compared various equating models and procedures for a sample of data from the Medical College Admission Test(MCAT), considering how item response theory (IRT) equating results compare with classical equipercentile results and how the results based on use of various IRT models, observed score versus true score, direct versus linked…
Descriptors: Equated Scores, Higher Education, Item Response Theory, Models
Kim, 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
