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Direct linkPowers, Donald; Schedl, Mary; Papageorgiou, Spiros – Language Testing, 2017
The aim of this study was to develop, for the benefit of both test takers and test score users, enhanced "TOEFL ITP"® test score reports that go beyond the simple numerical scores that are currently reported. To do so, we applied traditional scale anchoring (proficiency scaling) to item difficulty data in order to develop performance…
Descriptors: English (Second Language), Second Language Learning, Language Proficiency, Scores
Peer reviewedHenning, Grant – Language Testing, 1988
Violations of item unidimensionality on language tests produced distorted estimates of person ability, and violations of person unidimensionality produced distorted estimates of item difficulty. The Bejar Method was sensitive to such distortions. (Author)
Descriptors: Construct Validity, Content Validity, Difficulty Level, Item Analysis
