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Download full textFu, Jianbin; Qu, Yanxuan – ETS Research Report Series, 2018
Various subscore estimation methods that use auxiliary information to improve subscore accuracy and stability have been developed. This report provides a review of various subscore estimation methods described in the literature. The methodology of each method is described, then research studies on these subscore estimation methods are summarized.…
Descriptors: Scores, Evaluation Methods, Item Response Theory, Test Items
