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Grit is defined as perseverance and passion for long-term goals. In Western studies, grit was shown to be a character trait which contributes to future attainments and success. A Japanese translation of the Short Grit Scale (Grit-S: Duckworth & Quinn, 2009) was administered to 1,043 university students. The results of exploratory and confirmatory factor analyses demonstrated sufficient fitness and a two-factor structure which was basically the same as the original Grit-S. The two factors were named Perseverance and Consistency. Each sub-scale had sufficient internal consistency. Correlations with the Profile of Mood States (POMS), and measures of self-control and the Big Five personality factors attested to the basic validity of the Japanese Grit-S.
Nishikawa et al. (Thu,) studied this question.