Kyonosuke, Handa, Tomotaka, Umemura. The Relation Between Attachment and Identity: Focusing on Attachment Representations, In-Depth Exploration, and Meaning Making. Identity. 2023. 1-16
Hihara, Shogo, Kambara, Kohei, Umemura, Tomotaka, Handa, Kyonosuke, Sugimura, Kazumi. Diverse Trajectories of Hikikomori Symptoms During Job Search and the Role of Identity Distress: Three Wave Longitudinal Research. FRONTIERS IN PSYCHIATRY. 2022. 13
Frankel, Leslie A., Umemura, Tomotaka, Pfeffer, Kendall A., Powell, Elisabeth M., Hughes, K. R. Maternal Perceptions of Infant Behavior as a Potential Indicator of Parents or Infants in Need of Additional Support and Intervention. FRONTIERS IN PUBLIC HEALTH. 2021. 9
Iwasa, Yasuhiro, Hihara, Shogo, Umemura, Tomotaka, Tazume, Hirotsugu, Sugimura, Kazumi. Identity formation and school experience among university students in a teacher training program: A four-wave longitudinal study during the teaching practicum. IDENTITY: AN INTERNATIONAL JOURNAL OF THEORY AND RESEARCH. 2021. 22. 3. 183-197