The Correlation between Students’ Vocabulary Mastery and Their Writing Ability of Descriptive Text at The Eighth Grade of SMP N 22 Purworejo in The Academic Year Of 2016/2017

Abstract

The thesis is aimed at finding out whether there is significant relationship or not between students’ vocabulary mastery and their writing ability on descriptive text. The population of the research which consists of 188 students and the amount of the sample is 32 students. Sample is taken by using purposive sampling. The instrument that is used to get the data is multiple choice test and essay. The techniques of analyzing data are descriptive statistic and inferential analysis using SPSS 16.0. The researcher analyzes using descriptive statistics to find mean, median, mode, range, standard deviation and variance, whereas inferential analysis is used to prove the hypothesis test in the significant level 0.05. The result shows that the coefficient correlation ( is 0.532. It indicates that there is a medium relationship between the students’ vocabulary mastery and their writing ability of descriptive text. It is included the scale of interpretation score between 0.600-0.800. With degree of significance 5%, the score of table (r table) obtained is 0.349, therefore, > r table (0.532>0.349). Based on the result of this research, it can be stated that the hypothesis alternative is accepted.