1. Allen, D. (2016). Japanese cram schools and entrance exam washback. Asian Journal of Applied Linguistics, 3(1), 54–67.
2. Allen, D. (2017). Investigating Japanese university students’ English language proficiency: Predicting factors and pre-tertiary washback. IELTS Partnership Research Papers, 2. IELTS Partners. https://www.ielts.org/teaching-and-research/research-reports
3. Allen, D. (2020). Proposing change in university entrance examinations: A tale of two metaphors. Shiken, 24(2), 23–38.
4. Allen, D. & Nagatomo, D. H. (2019). Investigating the consequential validity of TEAP: Washback to high school learners of English. Eiken Research Report. Eiken Foundation of Japan. https://www.eiken.or.jp/center_for_research/pdf/bulletin/vol99/vol_99_21.pdf
5. Allen, D., & Tahara, T. (2021). A review of washback research in Japan. JLTA Journal, 24, 3–22.