Cải Thiện Phát Âm Cho Học Sinh Lớp 10 Bằng Việc Sử Dụng Kí Hiệu Phiên Âm - Nghiên Cứu Hành Động Tại Một Trường Trung Học Phổ Thông Ở Hải DươngThis action research aims to improve the pronunciation of vowel sounds for high school students by using phonetic transcription. In order to achieve the aim, the study identified the mistakes in vowel sounds made by the students through pre-test and pre-questionnaire and then implemented a plan to help the students improve such mistakes using phonetic transcription. Finally, the study evaluated the improvement of the students after applying the technique by employing post- tests, questionnaire and teacher‘s journal. The findings of the study revealed that the students made a certain progress in pronouncing vowel sounds after learning with phonetic transcription. They also showed a positive attitude towards the use of phonetic transcription in pronunciation learning and wished to receive further training using this technique. M.A MINOR THESIS Field: English Teaching Methodology Code: 8140231.01 Author: Phương Thị Thảo Supervisor: Hoàng Thị Xuân Hoa, PhD Page: 81 File PDF-TRUE Link download https://repository.vnu.edu.vn/handle/VNU_123/89494 https://drive.google.com/uc?id=1dNm531a3X8QDgWN5STrxzUmgk60XA72Ahttps://drive.google.com/drive/folders/1yLBzZ1rSQoNjmWeJTM6cEZ3WGQHg04L1