NGUYỄN THU GIANG, NGUYỄN THỊ MINH HÀ, TRẦN BÌNH AN, NGUYỄN THÙY DƯƠNG, NGUYỄN MINH NGUYỆT

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Abstract

This study was conducted with first-year students majoring in English Language at Hanoi University of Science and Technology to explore the effectiveness of ChatGPT-generated prompts in enhancing the diversity and sophistication of students’vocabulary in academic writing. Using an action research approach, a group of 25-30 students with varying levels of English proficiency receiving guidance on applying AI-generated prompts to improve their lexical resources. The research includes several phases, beginning with the selection of suitable ChatGPT prompts and instructing students how to apply them. We collected data through pre and post writing tests. Additionally, surveys were conducted after each lesson to gather students’ feedback.

Keywords: ChatGPT, active learning, lexical diversity, lexical sophistication, first-year English-majored students, educational technology, AI in education.