International Journal of Sport and Health Science
Online ISSN : 1880-4012
Print ISSN : 1348-1509
ISSN-L : 1348-1509
Psychometric Properties of the Japanese Version of the Career Engagement Scale among Professional Female Football Players
Masaki MoriYuko Tokairin
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2025 Volume 23 Pages 9-18

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Abstract

This study examined the psychometric properties of career engagement among professional female football players in Japan. First, the Japanese version of the Career Engagement Scale (J-CES) was developed using the forward-back translation methods based on the original version. This study allowed the measurement of career engagement in Japanese. Second, one hundred and forty-six professional female football players responded to an online survey of the J-CES. The study examined the reliability and validity of the scale using Cronbach’s alpha coefficient, McDonald’s omega coefficient, and confirmatory factor analysis. The classical test theory analyses indicated that the J-CES had a high internal consistency (α=0.88, ω=0.85) and was not adequately validated. Third, the factor structure of J-CES was re-examined using the methods of determining the number of factors. As a result, one- and two-factor structures were proposed. Fourth, item analysis using a unidimensional graded response model was conducted to obtain findings on more valid items for the J-CES of the one-factor structure. The item response theory analyses revealed that the J-CES had good discrimination for Items 1–4 (a>1.35). Items 1–4 are statements concerning future career-related abstract behaviors. Furthermore, we also confirmed that the simple structure with the two-factor model could be obtained using exploratory factor analysis (principal factor method with promax rotation). J-CES may be useful for investigating career engagement in light of cultural, social, and athletic differences in the future.

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© 2025 Japan Society of Physical Education, Health and Sport Sciences
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