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Lin, Chih-Kai – Language Testing, 2017
Sparse-rated data are common in operational performance-based language tests, as an inevitable result of assigning examinee responses to a fraction of available raters. The current study investigates the precision of two generalizability-theory methods (i.e., the rating method and the subdividing method) specifically designed to accommodate the…
Descriptors: Data Analysis, Language Tests, Generalizability Theory, Accuracy
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Kim, Ah-Young – Language Testing, 2015
Previous research in cognitive diagnostic assessment (CDA) of L2 reading ability has been frequently conducted using large-scale English proficiency exams (e.g., TOEFL, MELAB). Using CDA, it is possible to analyze individual learners' strengths and weaknesses in multiple attributes (i.e., knowledge, skill, strategy) measured at the item level.…
Descriptors: Language Tests, Diagnostic Tests, Cognitive Measurement, Reading Ability