The Correlation between Vocabulary Mastery, Grammar Mastery, and Reading Comprehension Skills of Vocational High School Students of SMK N 1 Kendal

Abstract

This current research is aimed at determining the correlation between vocabulary mastery, grammar mastery, and reading comprehension skills of vocational high school students. The correlation research technique was used as research design in this research. The population consisted of 492 students of SMK N 1 Kendal. Moreover, the researchers chose 36 students as sample. The vocabulary, grammar, and reading comprehension tests were used as research instruments in this research. Therefore, the data was examined utilizing multiple regression correlation. The research findings presented that (1) students’ vocabulary mastery achieved 44.028%; (2) students’ grammar mastery gained 57.222%; (3) students’ reading comprehension skill showed 71.250%; (4) there is a significant positive correlation among both student’s reading comprehension skill and vocabulary mastery with the coefficient correlation (rx₁y) 0.449, and the coefficient significance (t_o) 2.722 > t-count 2.030; (5) there is a positive correlation between students reading comprehension skills and grammar mastery with the coefficient correlation (rx₂y) 0.441, and the coefficient significance (t_o) 4.661 > t-count 2.030; and (6) there is a significant correlation between vocabulary mastery, grammar mastery, and reading comprehension skills which was defined by F-count (10.599) > F-table (3.295). From those results, it is possible to conclude that vocabulary mastery and grammar mastery could increase reading comprehension skills.