@article{oai:kansai-u.repo.nii.ac.jp:00010116, author = {水本, 篤 and Mizumoto, Atsushi and 竹内, 理 and Takeuchi, Osamu}, journal = {関西英語教育学会紀要 『英語教育研究』}, month = {Mar}, note = {Reporting effect sizes is now mandatory when submitting research papers to professional journals in our field. In this paper, therefore, we introduce and discuss the fundamental concepts and some considerations of the effect sizes in EFL research in Japan.}, pages = {57--66}, title = {研究論文における効果量の報告のために : 基本的概念と注意点}, volume = {31}, year = {2008} }