Abstract

This study aimed to translate the Authenticity Scale into Korean. The Authenticity Scale assesses an individual's authenticity through three subfactors: self-alienation, accepting external influence, and authentic living. In Study 1, an exploratory factor analysis confirmed the original three-factor structure, with no cross-loading items, resulting in the final selection of 12 items. In Study 2, a confirmatory factor analysis demonstrated satisfactory model fit. Additionally, measurement invariance across gender groups was examined, confirming configural invariance, metric invariance, and scalar invariance. To assess convergent validity, the relationship between authenticity and self-identity was analyzed. The Korean version of the Authenticity Scale showed positive correlations with exploration in breadth, commitment making, exploration in-depth, identification with commitment, and consolidated identity, while demonstrating negative correlations with ruminative exploration, disturbed identity, and lack of identity. Concurrent validity was examined by analyzing relationships between authenticity, self-esteem, life satisfaction, and affect. The results indicated that authenticity was positively correlated with self-esteem, life satisfaction, and positive affect, while negatively correlated with negative affect. This study presents a reliable and valid Authenticity Scale that can be used in Korean cultural contexts.