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Integrative Analytic Approach to Detecting and Interpreting L2 Vocabulary DIF
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Jang, Eunice Eunhee; Roussos, Louis – International Journal of Testing, 2009
In this article we present results of a Differential Item Functioning (DIF) study using Shealy and Stout's (1993) multidimensionality-based DIF analysis framework. In this framework, differences in test score distributions across different groups of examinees may be a result of multidimensionality if secondary dimensions (not the primary dimension…
Descriptors: Test Bias, Vocabulary, English (Second Language), Scores