The samples of this study consisted of 35 first-year English Program students in group 2 who enrolled on the"English Phonetics" course in the second semester of the academic year 2014 at the faculty of Humanities and Social Sciences, Buriram Rajabhat University. They were selected from a total population of 111 first-year English program students who were divided into three classrooms: group 1, group 2 and group 3. Because of a classroom research, one of them was chosen as the sample of the study. The selection of the sample was done randomly ; all classes had a chance to be chosen, The researcher wrote the name of the class on small pieces of paper. Then he rolled the paper and put it into a bottle. After that he shook the bottle and let one rolled paper out. Finally, he got group 2 as the sample of the study. The choice of the sample is based on the consideration as follows:
1. the first year students have been studying English when they were in Secondary school. However, their ability in pronouncing English is still poor. And 2) the researcher wanted to improve the students' ability in pronouncing English for communication.