THE CORRELATION BETWEEN VOCABULARY MASTERY AND WRITING ABILITY IN DESCRIPTIVE ENGLISH TEXT AT THE ELEVENTH GRADE STUDENTS OF SMAI IHYA ULUMUDDIN NUR SUFIIYAH AMUNTAI

Abstract

This research was aimed to measure the relationship between vocabulary mastery and writing ability in descriptive text at the eleventh grade students of SMAI Ihya Ulumuddin Nur Sufiyah Amuntai. In this study, the researchers used correlation design, where the researcher used this design to correlate two variables that were vocabulary mastery (variable X) and writing ability in descriptive English text (variable Y). The location of this research was in SMAI Ihya Ulumuddin Nur Sufiiyah Amuntai and the population of this research was all the eleventh grade students of SMAI Ihya Ulumuddin Nur Sufiiyah Amuntai and the sample was 28 students. The researcher analyzed the data using Pearson product moment calculation correlation with manual calculating analysis. Based on the result of data analysis, it could be known that the number of rxy or r0 was 0,604. It was bigger than the value rtable 0,373 and 0,317. Based on two hypothesis above, it could be concluded that the alternative hyphotesis (Ha) was accepted because the score of rxy 0,604 was bigger than the score of the significant degree in 5% = 0,373 and 1% = 0,317 while the null hypothesis H0 was rejected.  Based on standart of product moment, rxy 0,604 was categorized as a high or strong correlation. It could be concluded that there was corelation between vocabulary mastery and writing ability in descriptive English text at the eleventh grade students of SMAI Ihya Ulumuddin Nur Sufiiyah Amuntai. Furthermore, the corelation is a high or strong. It meant that the students who had many vocabularies could write descriptive English text better than students who had lack of vocabulary.