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Chen, Chen; Liu, Yongcan – Reading in a Foreign Language, 2020
This study explored the role of vocabulary breadth and depth in second language learners' performance in IELTS academic reading tests in China. Sixty-two Chinese learners of English as a foreign language completed a vocabulary size test, a vocabulary depth test, and an IELTS reading test. Results showed that vocabulary breadth and depth both…
Descriptors: Reading Tests, Correlation, Foreign Countries, Second Language Learning
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Aryadoust, Vahid – International Journal of Listening, 2012
This article investigates a version of the International English Language Testing System (IELTS) listening test for evidence of differential item functioning (DIF) based on gender, nationality, age, and degree of previous exposure to the test. Overall, the listening construct was found to be underrepresented, which is probably an important cause…
Descriptors: Evidence, Test Bias, Testing, Listening Comprehension Tests