The Development of Problem-Based Stad Model to Improve the Writing Ability of Students in University

This study is aimed to improve students’ English writing skills in college. Since students’ mastery of English vocabulary is still low, they are confused about the use of grammar, sentence structure, punctuation, good and correct spelling in English writing, making them unable to write well words/sentences/texts in English. Students also still have difficulty in terms of orderly expression of ideas and supporting sentences in paragraphs, and they have not been trained to develop ideas in writing properly and correctly. The type of research is development research or Research and Development (R&D) with qualitative and quantitative approaches. The STAD�BM type learning model in this study has produced a valid, practical and effective model because it has an impact on improving students’ writing skills and learning motivation.