Katsunori Sumi. Japanese translation and validation of the Short Grit Scale (Grit-S). Psychology Applications & Developments X [peer reviewed publication]. 2024
Veljko Jovanović, Maksim Rudnev, Christ Billy Aryanto, Beatrice Adriana Balgiu, Corrado Caudek, Jesus Alfonso D. Datu, Tharina Guse, Theodoros Kyriazos, Louise Lambert, Krishna Kumar Mishra, et al. A Cross-Cultural Evaluation of Diener’s Tripartite Model of Subjective Well-Being Across 16 Countries. Journal of Happiness Studies. 2024. 25. 6
Katsunori Sumi, Akiko Sumi. Relationships between interest in Arabic culture and autonomy in motivation for learning Arabic among Arabic language majors in Japanese universities. Global Culture Review. 2024
Katsunori Sumi. Translation, Reliability, and Construct Validity of the Japanese Version of the Attitudes Toward Forgiveness Scale. Psychology Applications & Developments IX. 2024. 3-14
2021/09 - School of Liberal Studies, Universiti Kebangsaan Malaysia Best Paper in iCITRA 2021 Influence of interest in Arab culture on autonomy in motivation among Arabic language learners in Japanese universities