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Download full textHaberman, Shelby J.; Sinharay, Sandip – Educational Testing Service, 2011
Subscores are reported for several operational assessments. Haberman (2008) suggested a method based on classical test theory to determine if the true subscore is predicted better by the corresponding subscore or the total score. Researchers are often interested in learning how different subgroups perform on subtests. Stricker (1993) and…
Descriptors: True Scores, Test Theory, Prediction, Group Membership
