Daftar Isi:
  • The objective of this study was to find out whether or not there was a correlation between grammatical mastery and descriptive writing mastery. The population of this study was the tenth-grade students of SMA Negeri 1 Indralaya which consisted of 316 students in academic year 2017/2018. The sample of this research was taken by using purposive sampling, the writer took three classes according some considerations and the total sample is 30% of the total number of the population, which were 94 students. The data were obtained by using two kinds of tests, namely grammar test and writing test. Then, those were analyzed by using correlation analysis by SPSS version 23.0 computer program. The results showed that there was a fair significant positive correlation between the students’ grammatical mastery and their descriptive writing mastery (r= 0.598 and p-value = 0.000). In conclusion, there was a significant correlation between grammatical mastery and descriptive writing mastery of the-tenth grade students of SMA Negeri 1 Indralaya