This paper reviews how the construct of oral fluency in a second language (L2) has been
defined and researched over the last twenty-five years. The emerging picture is somewhat …

This study analyses the relationship between receptive vocabulary size in upper-
intermediate/advanced learners and EFL proficiency and the skills of reading, writing …

Despite the rapid expansion of English-medium instruction (EMI) at higher education
institutions around the world, little research has explored the language-related challenges …

This article investigates the contribution of vocabulary size and depth to second language
(L2) speaking proficiency as well as its two dimensions of fluency and lexical resource. To …

The current study investigates the extent to which receptive vocabulary size test scores can
predict second language (L2) speaking ability. Forty-six international students with an …

The current study investigated the extent to which L2 learners' productive vocabulary
knowledge could predict multiple dimensions of spontaneous speech production. A total of …

Vocabulary is an important element of any language since its roles affect on language
performance of the users. The present study investigates the correlation between students' …

This paper reports on empirical research that endeavors to investigate the role of vocabulary
knowledge in the writing and speaking performance of 54 B2 level Turkish learners of …

This study explores how vocabulary learning strategy usage and skills in the four language
domains relate to participants' increase in vocabulary size and to the learning of specific …

This paper looks at intensive program students' perceptions of English-speaking skills and
emphasizes the immediate need for improving them at all levels of higher education. For this …