... male) aging from of 18 to 20. They come from different provinces in the country such as Thanh Hoa, Ha Tinh, Nam Dinh, not only from the North West of the country. However, such variables as age, ... period because of a boyfriend problem. These and other studies testify to the complexity and dynamic nature of learners’ affective states and the influence these have on their ability to concentrate ... answers are kept secret and used for research only. The questionnaires are also translated into Vietnamese in order to help all the students understand and answer all the questions.3.7. Data analysisThe...