The Efficiency of Trumpet Exercises Book for Trumpet Performance in the University Level of Rajabhat University

Abstract

   The research on the efficiency of a Trumpet Exercises Book for trumpet performance at the university level aimed to 1. improve the quality of the Trumpet Exercises Book; 2. study the effectiveness index on the development of the book and 3. study the students’ satisfaction toward the book. The samples were trumpet instrument major students who are studying at the higher education level from four Rajabhat Universities all over the country divided by the four regions. The samples were selected using purposive sampling including 10 students from the central region; 10 students from the eastern region; 10 students from the northern region and another 10 from the southern region. The research tools included: 1. Trumpet Exercises Book; 2. trumpet performance achievement test;   3. performance assessment form and 4. students’ satisfaction assessment form.  The results found that: 1. the Trumpet Exercises Book had an efficiency value of 82.06/81.85; 2. the effectiveness index of the development of the Trumpet Exercises Book was at 0.70 and 3. the students’ satisfaction toward the exercises book was at the highest level with mean and S.D. at (  = 4.67, S.D. = 0.49).