2016 - 2021 Edumetric, cognitive scientific, and comparative pedagogical evaluations on new methods of admissions under the reform for articulation between high schools and universities
2016 - 2020 Basic research on self-esteem measurement using Item Response Theory
2011 - 2013 Reliability and validity of psychological measurements: reduction of the respondent burden in questionnaire-based study
Namikawa, T, Tani, I, Kumagai, R, Nakane, A, Wakita, T, Noguchi, H. Cross-sectional study of developmental changes in the Five-Factor personality model in Japan. Abstracts of the 27th International Congress of Applied Psychology. 2010. 1436-1436
Tani, I, Namikawa, T, Wakita, T, Kumagai, R, Nakane, A, Noguchi, H. Construction of IRT scales for the Five- Factor personality scale in Japan and examination of the short-form of the scale. Abstracts of the 27th International Congress of Applied Psychology. 2010. 1429
Tani, I, Noguchi, H, Nakane, A, Kumagai, R, Namikawa, T, Wakita, T. Personality Traits Change in Adolecentce and Adulthood in Japan. 15th European Conference on Personality. 2010. 59-59
Namikawa, T. Development of temporal comparison orientation scale short-form using item response theory. Bulletin of the Graduate School of Education and Human Development. Psychology and human developmental sciences. 2010. 57. 71-76
An item response theory analysis of three Japanese version Rosenberg Self-Esteem Scales
(The Proceedings of the Annual Convention of the Japanese Psychological Association 2018)