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Racial/ethnic comparisons of the psychometric properties of the BIS/BAS scales among young adults in the U.S. and Japan 岩田, 昇 イワタ, ノボル BIS/BAS scale cross-cultural/ethnic comparison Caucasian Hispanic African-American Japanese The measurement properties of the Behavioral Inhibition and Behavioral Activation Scales (BIS and BAS;Carver & White，1994) were examined for five racial/ethnic groups of young adults in the U.S. and Japan; Caucasians，African-Americans，Hispanics born in and outside the U.S. (n = 459，4 31，489 and 384，respectively)，and the Japanese (n = 398). A revised four-factor model，excluding the two reverse-coded (positive) BIS items，and a five-factor model，which included these two items as another factor，showed a better fit than the original four-factor model. Internal consistencies also were higher for the revised BIS scale. The BAS scales tended to show insufficient internal consistencies. ANCOVAs indicated that: (1)the BIS scores varied more by gender，but the BAS scores varied by race/ethnicity; (2) African-Americans scored lower on the BIS scale，an d the Japanese scored lower on the BAS scales，compared to the other groups; and (3) the BIS/BAS ratio tended to be lower for African-Americans and significantly higher for the Japanese. Also for the Japanese，th e correlation with extraversion was higher for the BIS/BAS ratio than for any of the BIS/BAS scales，suggesting an important aspect of the BIS/BAS balance in the understanding of the relationship of temperament and overt personality traits. 広島国際大学心理科学部 2014-03-01 eng departmental bulletin paper VoR https://doi.org/10.60172/00000255 https://hirokoku-u.repo.nii.ac.jp/records/261 10.60172/00000255 2188-3734 広島国際大学心理科学部紀要 The Bulletin of Faculty of Psychological Science, Hiroshima International University 1 1(創刊号) 25 36 https://hirokoku-u.repo.nii.ac.jp/record/261/files/fps01_025.pdf application/pdf 537.2 kB 2023-03-11