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Download full textSinharay, Sandip; Haberman, Shelby – Educational Testing Service, 2011
Recently, the literature has seen increasing interest in subscores for their potential diagnostic values; for example, one study suggested the report of weighted averages of a subscore and the total score, whereas others showed, for various operational and simulated data sets, that weighted averages, as compared to subscores, lead to more accurate…
Descriptors: Equated Scores, Weighted Scores, Tests, Statistical Analysis
