The Effect of Teacher's Feedback Using Grammarly on Students' Writing Achievement at SMAN 4 Baubau

Abstract

Grammarly is an online proofreading website that can be used to scan documents for grammar mistakes, potential stylistic mistakes, and other features of interest that make it easy to check user writing. The objective of this research was to find out the effect of teacher’s feedback using Grammarly on students’ writing achievement at tenth-grade of SMAN 4 Baubau. This research applied quasi experimental design that consisted of experimental class and control class. The sample of this research were students at class X MIA 2 and X MIA 5 who were registered in academic years of 2019/2020. The sample was taken by using simple random sampling and the total numbers of students were 62,32 for experimental class (X MIA 2) and 30 for control class (X MIA 5). The research instrument was written test that focused on descriptive text. The researcher collected the data by giving pre-test and post-testin experimental and control class. Experimental class received some feedback from the teacher using Grammarly software on their writing. Meanwhile control class received none. The data analyzed by using SPSS 16.0 version. To examined the hypothesis the researcher used an Mann Whitney test. The result showed that students’ mean score of post-test in experimental class is rising. The factor that made this study was raising because of the teacher’s feedback using Grammarly and background knowledge. Therefore, teacher’s feedback using Grammarly has a significant effect on students’ writing achievement at tenth-grade of SMAN 4 Baubau.