Abstract:
The objectives of research were: 1. To develop a teaching model for string classes of the Royal Thai Air Force School of Music and 2. To study the achievements in skills, attitude, knowledge of the students in the string classes of the Royal Thai Air Force School of Music after the experiment of a teaching model for string classes of the Royal Thai Air Force School of Music. The research method in this research was experimental research where The OneGroup Pretest Posttest Design was implemented. The participants in this research were 10 students in the string classes of the Royal Thai Air Force School of Music, majoring in Violin. The information used for this experiment was gathered from 4 sources; the interviews of both the teachers and students, musical skills test, behaviors observations, and knowledge tests. The knowledge tests and skill tests were implemented as pre-test and post-test, while the behaviors observation were completed during the experiment both descriptive (M, SD) and inferential (t - test) statistic methods were used in this study. The results of the research showed that: 1. A teaching model for string classes of the Royal Thai Air Force School of Music was developed based on eight important aspects; 1. Principle 2.Objectives 3. Content 4. Teaching - Learning Activities 5. Learning Media 6. Duration 7. Assessment 8. Lesson Plan. 2. In terms of the achievements in playing skills, learning attitude, musical knowledge of the students in the string classes of the Royal Thai Air Force School of Music, The researcher found significant improvement in playing skills. Mean score of the musical skills Pretest and Posttest showed significant difference (α= 0.05), (M = 80.09, SD = 6.24). Learning attitudes Mean score was in very good range. (M = 2.58, SD = 0.39). Musical knowledge mean score of the musical knowledge Pretest and Posttest showed significant difference (α= 0.05), (M = 19.00, SD = 0.94).