Abstrak
Cici Wahyuni , 2316072.” The Correlation Between Part Of Speech Mastery and Writing Achievement at 11th Students of MAN 4 Agam in Academic Years 2020/2021”. A Thesis. English Education Study Program. IAIN Bukittinggi, 2021. This research was done because there were some students had problems in learning writing, especially in parts of speech mastery. The parts of speech as a basic of grammar seem to be necessary in the process of language learning Therefore, the researcher conducted observations and interviews to finding the real condition. In addition, there were some of students who were master in parts of speech while some others were not master in parts of speech so they had difficulty in writing. Relate to this condition, the researcher wanted to investigate the correlation between parts of speech mastery and writing achievement at 11th students of MAN 4 Agam in Academic Years 2020/2021. The design of this research was correlational research. The population of this research was all students at XI Grade of MAN 4 Agam in the academic years 2020/2021 which consist of 4 classes. The sample was 39 students taken by purposive sampling technique. The instrument of this research were test for measuring parts of speech mastery and documentation for collecting writing score of the students. To analyze the data, the researcher used the SPSS version 20 for windows. In analyzing the data, the researcher used Pearson Product Moment formula to find out the significant correlation, to find out the correlation direction and to find out the correlation magnitude of students’ mastery in parts of speech and writing achievement. The result of the research showed that there was a correlation between students’ mastery in parts of speech and writing achievement at the 11th students of MAN 4 Agam academic years 2020/2021. The researcher found that the coefficient of correlation between students’ mastery in parts of speech and writing achievement at the 11th students of MAN 4 Agam was 0,376. The correlation was positive and significant. It means that Ho is rejected and Ha is accepted. Thus, there is positive correlation between students’ mastery in parts of speech and writing achievement at the 11th students of MAN 4 Agam. Based on the research results, it can be concluded that parts of speech does not have big influence on students’ writing achievement. In conclusion, this research is done for finding the correlation between parts of speech mastery and writing achievement at 11th students of MAN 4 Agam.