TY - THES PB - Pascasarjana A1 - Pradana, Sandi A1 - Ashadi, Ashadi Y1 - 2019/08/27/ N2 - This research aims to develop weblog as media in teaching writing of senior high school students. It is a research and development (R&D) study that follows ASSURE model proposed by Heinrich and developed by Smaldino, Heinich, Molenda, & Russell (2005:49). The procedure of developing media consisted of analyzing learner, stating objective, selecting media and materials, utilizing media and material, requiring learner participation, evaluating and revising. The product was examined in two phases. The first test was conducted by the material and media experts. After conducting the first test, the second test was conducted by English teacher and students. The subjects of this research were the eleventh grade students of PGN 1 High school. The subject consisted of 21 students of class XI. The data collection technique used an interview and questionnaires. The questionnaires were distributed for need analysis and expert validation. English teacher and students? responded toward the developed weblog. The data were analyzed using descriptive statistics for the questionnaires and the qualitative analysis technique for the interview. The findings revealed that the developed weblog as media in teaching writing in terms of the material and media aspects is categorized ?very good? by experts with the mean scores put on the conversion interval ?3.25. Generally, the result of tryout and English teacher?s responses toward the weblog show the range of average mean score on the conversion interval ?3.25 categorized ?very good?. Therefore, the developed weblog is very appropriate to use in teaching and learning process of writing. Keywords: CALL, Weblog, Writing, Senior High school UR - http://eprints.uny.ac.id/66962/ TI - Developing Weblog as Media in Teaching Writing AV - restricted ID - UNY66962 M1 - tesis ER -