Speaker
Description
Vocabulary learning is significantly challenging for vocational college EFL learners, especially in ESP courses where learners are required to understand and use technical terminology in workplace- related contexts. The purpose of this study was to investigate how explicit vocabulary instruction and ChatGPT-assisted practice improve ESP vocabulary learning for vocational college EFL learners. Using a quasi-experimental pre- and post-test control group design, with classroom observations conducted throughout the intervention, the study involved the random assignment of 48 vocational college EFL learners to a control group and an experimental group. Data were collected through ESP vocabulary assessments (pre-test and post-test) and classroom observations. Over a four-week intervention, the experimental group participated in explicit vocabulary instruction integrated with teacher-guided ChatGPT-assisted practice, while the control group received explicit vocabulary instruction without ChatGPT assistance. Quantitative analysis indicated overall improvement in ESP vocabulary performance across both groups following the intervention, with the experimental group showing a slightly greater enhancement in productive ESP vocabulary use and overall test scores, despite no significant between-group differences in ESP vocabulary comprehension. Qualitative findings from classroom observations suggested increased collaborative interaction and more contextualized workplace-related vocabulary use during the ChatGPT-assisted practice. This study contributes to the growing field of AI-assisted language learning by further supporting the pedagogically grounded integration of explicit ESP vocabulary instruction and ChatGPT-assisted practice as a means of facilitating productive ESP vocabulary development in vocational college contexts.
Biography
Nguyen Thi Thanh Tuyen is the Head of the Foreign Language Faculty at LILAMA 2 International Technology College in Dong Nai City, Vietnam. She earned a Bachelor’s degree in English and a Certificate in Pedagogy from Quy Nhon University in 2008. In 2012, she completed her Master’s degree in Linguistics at the University of Social Sciences and Humanities, Vietnam National University Ho Chi Minh City. She is currently pursuing an MTESOL degree at Ba Ria–Vung Tau University. Her academic and research interests include AI-assisted language learning, English for Specific Purposes (ESP) and English language pedagogy for vocational college students. Her recent academic interests have particularly focused on the pedagogically grounded integration of AI tools into ESP and English language instruction within vocational education contexts. She has 18 years of experience in English language teaching and ESP instruction for vocational college students, with professional expertise in English and ESP curriculum development, and the design of AI-assisted ESP and English learning materials for vocational college learners.
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