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- Title
Factor structure and validation of the Japanese version of the Gambling Symptom Assessment Scale (GSAS-J).
- Authors
Kengo Yokomitsu; Eiichi Kamimura
- Abstract
The Gambling Symptom Assessment Scale (GSAS) is a 12-item self-rated measure designed to assess gambling symptoms. This study was designed to translate the GSAS into Japanese and to examine the factor structure and validity of the Japanese version of the GSAS (GSAS-J) for a Japanese sample population. We examined the measurement invariance in the GSAS-J between a probable disordered and a non-disordered gambling sample. Seven hundred and seven participants (380 men, 327 women; mean age = 48.41, SD = 10.79) living in Japan were recruited online and included in the analyses. Confirmatory factor analysis results indicated that the GSAS-J factor structure (one-factor structure model) was appropriate for the data (w2(48) = 195.49, p o .05; CFI = .927; RMSEA = .066; SRMR = .036). Results of multi-group confirmatory factor analysis indicated that the GSAS-J demonstrated strong factorial invariance between probable disordered gamblers and non-disordered gamblers. The Cronbach a coefficient was .96 for the total scale. Good concurrent validity was found for the GSAS-J in relation with other variables: the Kruskal-Wallis H test showed severe and extreme gamblers spent more days and much more money than those of moderate or mild gamblers, and the GSAS-J was significantly correlated with South Oaks Gambling Screen (r = .57), Gambling Related Cognitions Scale (r = .71), and Gambling Urge Scale (r = .72). Furthermore, t-test results indicated significant gender differences in GSAS-J scores. These results indicate GSAS-J is a valid measure for assessing gambling symptoms in Japanese sample populations.
- Subjects
GAMBLING systems; FACTOR structure; CONFIRMATORY factor analysis
- Publication
Journal of Gambling Issues, 2019, Vol 41, p1
- ISSN
1910-7595
- Publication type
Article
- DOI
10.4309/jgi.2019.41.1