Books
・Koyama, D. (Ed.) (2021). Development of innovative pedagogical practices for a modern learning experience. CSMFL Publications.
Book Chapters
・Koyama, D., & Gherwash, G. (2022). Reconfiguring peer feedback for the virtual composition classroom. In S. Rosendale & L. Gray-Rosendale (Eds.), Go online! Reconfiguring writing courses for the new virtual world. Peter Lang.
・Koyama, D. (Ed.) (2021). Introduction: Development of innovative pedagogical practices for a modern learning experience. In D. Koyama (Ed.) Development of innovative pedagogical practices for a modern learning experience, iii–xii. CSMFL Publications.
・Koyama, D. (2020). Research on student ratings of instruction: Implications for teachers and professional development programs. In O. M. A. Al-Mahdi (Ed.), Innovations in educational leadership and continuous teachers’ professional development, pp. 1-31. CSMFL Publications.
Journal Articles
・Koyama, D., & Watanabe, T. (2023). Why a dispositional view of ecological literacies is needed. Journal of Teaching in Higher Education, 28(5), 1108–1117.
・Fogal, G. G. & Koyama, D. (2022). A study of co-adaptation through journaling. Journal of Second Language Writing, 55, 100873.
・Harwood, C., & Koyama, D. (2022). Employing reflective practice to inform adjunct-faculty onboarding. Innovation in Language Learning and Teaching, 16(2), 191-203.
・Harwood, C., & Koyama, D. (2020). Creating a virtual writing center to support self-regulated learning, Studies in Self-Access Learning, 11(3), 164–186.
・Koyama, D., Sun, A., & Ockey, G.J. (2016). The effects of item preview on video-based multiple-choice listening assessments, Language Learning & Technology, 20(1), 148–165.
・Ockey, G.J., Koyama, D., Setoguchi, E., & Sun, A. (2015). Validity of the TOEFL iBT speaking section for Japanese university students. Language Testing, 32(1), 39–62.
・Ockey, G.J., Koyama, D., & Setoguchi, E. (2013). Stakeholder input and test design: A case study on changing the interlocutor familiarity facet of the group oral discussion test, Language Assessment Quarterly, 10(3), 292–308.
・Koyama, D., & Setoguchi, E. (2012). The effect of opening gambit types on group oral proficiency scores, Studies in Linguistics and Language Teaching, 22, 112–123.
・Ruegg, R., & Koyama, D. (2010). The effect of feedback on EFL writing confidence. Studies in Linguistics and Language Teaching, 21, 137–166.
・Koyama, D. (2009). Personalizing student motivation: A case study of online and face-to-face English for academic purpose classes, PeerSpectives, 4, 33–37.
・Koyama, D. (2009). Evaluating holistic writing placement ratings, The Research Institute of Language Studies and Language Education Journal, Kanda University of International Studies, 4, 33–44.
・Watanabe, Y., & Koyama, D. (2008). Second language cloze tests: A meta-analysis. Journal of Second Language Studies, 26(2), 103–133.