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Asians1
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Item Response Theory1
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Language Testing in Asia1
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Joseph P. Vitta1
Liang Ye Tan1
Stuart McLean1
Young Ae Kim1
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Rasch Modelling vs. Item Facility: Implications on the Validity of Assessments of Asian EFL/ESL Vocabulary Knowledge and Lexical Sophistication Modelling
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Liang Ye Tan; Stuart McLean; Young Ae Kim; Joseph P. Vitta – Language Testing in Asia, 2024
This study examines how second/foreign language (L2) word difficulty estimates derived from item response theory (IRT) and classical test theory (CTT) frameworks are virtually identical in the context of vocabulary testing. This conclusion is reached via a two-stage process: (a) psychometric assessments of both approaches and (b) L2 word…
Descriptors: Vocabulary, English (Second Language), Test Validity, Second Language Learning