Studies and research reveal that most English language learners (ELLs) encounter challenges when they write an academic paper in English due to lack of grammar. As most international universities require passing international tests as TOEFL, IELTS, GMAT, GRE, and other tests with high level, most international students fail to achieve this…

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…