The Correlation Between Vocabulary Mastery And Self Esteem On Students’ Speaking Skill

- The purpose of this research was to find out whether there is a significant correlation s between vocabulary mastery and self esteem on students’ speaking skill. The population of this study was X grade students majoring in natural science at SMU 64 Jakarta Timur , while the sample was 60 students were chosen randomly from those 3 classes. The writer used three instruments to gain the data : a vocabulary test, a speaking test, and a self esteem questionnaire. A quantitative analysis that included descriptive statistic and the correlation and regression analysis tests were conducted to answer the research hypotheses. The research results found that there is a significant simultaneous correlation between vocabulary mastery and self esteem on students’ speaking skill. This finding ha s proved the view s which are vocabulary as a main language component and self esteem as affective factor have contribution s in developing learning language especially f on speaking skill.