Abstract

Sensitivity to gender and sexual diversity is essential for nursing students to provide inclusive and equitable care. This study aimed to develop the Japanese version of the Gender and Sexual Diversity Sensitivity Scale (GSDSS-J) and conduct a preliminary validation among Japanese nursing students. Overall, 198 nursing students provided data using a cross-sectional web-based survey. The GSDSS was translated into Japanese according to established guidelines. Psychometric evaluation included item analysis, internal consistency, test–retest reliability, exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and construct validity assessed through correlations with the Japanese version of the Lesbian, Gay, Bisexual, and Transgender Development of Clinical Skills Scale. No ceiling or floor effects were observed. The final 24-item model showed good internal consistency, with a Cronbach’s alpha of .924. The intraclass correlation coefficient of .416 indicated limited test–retest reliability. EFA yielded a three-factor structure broadly corresponding to the original GSDSS. CFA showed variation across model fit indices (comparative fit index = .810; Tucker–Lewis index = .790; root mean square error of approximation = .089; standardized root mean square residual = .068), indicating that the proposed factor structure requires further examination. Significant positive correlations with the basic knowledge and clinical training subscales of the comparison scale provided partial evidence for construct validity. The findings provide preliminary evidence of the GSDSS-J’s psychometric properties. Limitations in model fit and test–retest reliability indicate that further validation is required. Larger, independent samples are needed to confirm the factor structure and establish the reliability and validity of the GSDSS-J.

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