Nguyen, Thi Hong DuyenDuong, Hon Minh2024-12-162024-12-162024Nguyen Tat Thanh University. (2024). Journal of Science and Technology - NTTU, Volume 7, Issue 4. ISSN 2615-90152615-9015https://repository.ntt.edu.vn/handle/298300331/1678 p.The purpose of this research is to evaluate the effectiveness of oral presentations to improve the ability to speak English of first-year non-English major students at Nguyen Tat Thanh University. A quasi-experimental design is conducted with two groups, including an experimental group that receives instruction utilizing an oral presentation approach and a control group that receives no intervention. Pre-test and post-test assessments are used to systematically evaluate the impact of oral presentations on students' English speaking ability in terms of grammar, pronunciation, lexical proficiency, fluency, and discourse coherency. The results show the significant improvement of oral presentations compared to traditional teaching method in improving the English speaking skills of first-year non-English major students atenOral presentation skillsSpeaking skillsFirst-year non-English major studentsImprove the ability to speak EnglishKỹ năng thuyết trìnhArticle