THE THE EFFECT OF JOINING ENGLISH COURSE PROGRAM TO ELEVENTH GRADE STUDENTS’ ENGLISH VOCABULARY MASTERY

Abstract

Abstract: This study aimed to discover the effect of students’ participation in English course program on their English vocabulary mastery. The population of this study was the eleventh grade of SMA Pusri Palembang. In determining the sample, the researcher used purposive sampling technique. The sample in this study was 50 students. The students were defined as students who take English course program and those who do not. In collecting the data, the researcher used mixed-method approach. The English vocabulary mastery test and questionnaire were provided to gain the data. The test was a multiple-choice form. The instruments were analyzed statistically with SPSS 24. The result of the test by conducting Mann Whitney test showed that there was a significant difference of English vocabulary mastery between both groups of students. The result of the questionnaire showed that there were any effects of participating English course program on students’ English vocabulary mastery.