Frontiers in Psychology (Oct 2022)

A validation of the Japanese adaptation of the Big Five Inventory-2

  • Shinya Yoshino,
  • Tadahiro Shimotsukasa,
  • Atsushi Oshio,
  • Yasuhiro Hashimoto,
  • Yuki Ueno,
  • Takahiro Mieda,
  • Ifu Migiwa,
  • Tatsuya Sato,
  • Shizuka Kawamoto,
  • Christopher J. Soto,
  • Oliver P. John

DOI
https://doi.org/10.3389/fpsyg.2022.924351
Journal volume & issue
Vol. 13

Abstract

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The purpose of this study was to adapt a Japanese version of the Big Five Inventory-2 (BFI-2-J) to examine its factor structure, reliability, validity, and measurement invariance. The BFI-2-J assesses five domains and 15 facets of the Big Five personality traits. We analyzed two datasets: 487 Japanese undergraduates and 500 Japanese adults. The results of the principal component analysis and confirmatory factor analysis revealed that the domain-facet structure of the BFI-2-J was similar to that of other language versions. The reliability of the BFI-2-J is sufficient. The correlation coefficients between the BFI-2-J and the other Big Five and self-esteem measures supported convergent and discriminant validity. Moreover, we confirmed measurement invariance across age and sex groups in domain-level and facet-level models. The results suggest that the BFI-2-J is a good instrument for measuring the Big Five personality traits and their facets in Japan. The BFI-2-J is expected to be useful in Japanese personality research and international comparative research.

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