[Abstract] Seok-Hoon You. 2011. Team Protocol Method as an effective way of enhancing students' participation in the discussion session of English-mediated subject courses （Language Information. Volume 13. 67-92）. A protocol is a predefined written procedural method in the design and implementation of experiments in the natural science in order to standardize a laboratory method to ensure successful replication of results by others.Detailed protocols also facilitate the assessment of results through peer review. In this study, a type of team protocol method is adopted for enhancing and activating group discussion sessions of subject course taught in English at the college level. Students are required to compile and submit a very highly elaborated written protocol reports persession as a part of requirement and for evaluation. Advantages of the method are fully exploited to ensure quality of discussion to its maximum level. Exact components, procedures and employment schemes are fully described and explored. Finally, actualcourse evaluation is provided as a substantial and supporting evidence for the benefit of the method. The method has proven to be an effective way of dealing with well-known defects of conventional discussion activity. （Department of Linguistics, Korea University）著者専攻: 言語学・英語教授法