This study discusses the students’ mastery of Indonesian spelling, the description of the use of spelling in students’ writing results, and the correlation between the two. The research method is a descriptive method used to systematically and accurately explain facts about an object under study on these three topics. The test is used as a data collection technique that is needed with the test sheet instrument in the form of objective tests and subjective tests tested on students. The results showed that: (1) Based on the average value of a sample of 41 students, 28 students, or more than half (68%) were sufficient to master standard Indonesian spelling, while the remaining 13 students or less than half (32%) were less mastering standard Indonesian spelling; (2) A total of 21 (twenty-one) students or more than half (51%) were stated to have good writing results based on spelling aspects, while the remaining 20 (twenty) students or less than half (49%) were stated to have written results not good seen based on the spelling aspect; and (3) Obtained r count price = -0.050 while r price of product-moment table for a significant level of 5% = 0.308 and significant level of 1% = 0.396 at n = 41. Based on the calculation, results show the price of r count (-0.050) is smaller than the price of r table, both for a significant level of 5% (-0.050 0.308) and for a significant level of 1% (-0.050 0.396). It can be concluded that there is no correlation or relationship. Keywords: Correlation; Indonesian spelling; writing results.
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