Development and Validation of the Japanese Version of the Triarchic Model of Grit Scale

Keigo Hatto, Daichi Sugawara, Hidehumi Hitokoto, Jesus Alfonso D. Datu, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Institute of Human Sciences, University of Tsukuba, School of Humanities, Kwansei Gakuin University, Faculty of Education, The University of Hong Kong

Journal of Psychoeducational Assessment

Published online on October 21, 2025

Abstract

Journal of Psychoeducational Assessment, Volume 44, Issue 2, Page 160-176, April 2026.
Grit—originally conceptualized as perseverance of effort and consistency of interest—is a trait that predicts success. However, prior research has identified problems with existing grit scales, particularly in East Asian countries. The Triarchic Model of ...