Aprilia Elok Puspita DEWI Pengarang Dr. Umar Fauzan, M.Pd. Dosen Pembimbing 1 Nadia Sya'ya, M.Pd., M.TESOL Dosen Pembimbing 2 Dr. Umar Fauzan, M.Pd. Penguji 1 Rostanti Toba, M.Pd. Ketua Penguji Nadia Sya'ya, M.Pd., M.TESOL Penguji 2

Aprilia Elok Puspita Dewi, 2022. The Use of Social Media in Learning English Writing of English Department Students at Fourth Semester of UINSI Samarinda in Academic Year 2021/2022. Thesis, English Education Department. Teacher Training and Tarbiyah Faculty, State Islamic University of Sultan Aji Muhammad Idris Samarinda. Supervised by Mr. Dr. Umar Fauzan, S.Pd., M.Pd as the First Advisor and and Mrs. Nadia Sya‟ya, M.Pd., M.TESOL as the Second Advisor. Social media is a product of information and communication technology that used by many people around the world, ranging from children to adults. Although not created specifically for educational purposes, social media has drawn attention from some educators, especially in the field of teaching and learning English. It allows people to learn from anywhere, anytime with no limitations. Moreover, students tend to rely on social media to keep in touch with their friends. This opens up great opportunities for social media to support learning process. As for the objectives of this research were to find out the types of social media used by English department students at fourth semester of UINSI Samarinda in academic year 2021/2022 and the use of the social media in learning English writing. This research was conducted by using descriptive-qualitative design. The researcher used questionnaire, interview and documentation as instruments to collect the data. The primary data in this research obtained from questionnaire and interview with the students who were active in using social media in learning English writing. Then, the secondary data which contained recordings and documentation obtained from the students as the subjects of this research. The data analysis techniques used were data condensation, data display and conclusion drawing and verification. To test the validity of the data, the researcher used credibility technique with source triangulation method. The result showed that there were seven types of social media used by the students in learning English writing, namely social networking sites (SNS), blog, micro-blog, wiki, social bookmarking websites, media sharing sites and RSS (Really Simple Syndication). The students mostly used social media in learning English writing by using some provided features especially which allow them to interact with their peers, such as personal chat, group chat, comment section, caption, description, story and bio. Additionally, they also used some of these social media as learning sources to help them in developing their English writing skill.