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Woodruff, David; Traynor, Anne; Cui, Zhongmin; Fang, Yu – ACT, Inc., 2013
Professional standards for educational testing recommend that both the overall standard error of measurement and the conditional standard error of measurement (CSEM) be computed on the score scale used to report scores to examinees. Several methods have been developed to compute scale score CSEMs. This paper compares three methods, based on…
Descriptors: Comparative Analysis, Error of Measurement, Scores, Scaling
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Puhan, Gautam; Sinharay, Sandip; Haberman, Shelby; Larkin, Kevin – Applied Measurement in Education, 2010
Will subscores provide additional information than what is provided by the total score? Is there a method that can estimate more trustworthy subscores than observed subscores? To answer the first question, this study evaluated whether the true subscore was more accurately predicted by the observed subscore or total score. To answer the second…
Descriptors: Licensing Examinations (Professions), Scores, Computation, Methods