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A Differentiation of Self Scale in Two Domains for Japan: A Preliminary Study on Its Development and Reliability/Validity

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DOI: 10.4236/psych.2018.94047    364 Downloads   659 Views Citations
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ABSTRACT

In this study, a differentiation of self scale was created applicable to two domains—intrapsychic and interpersonal, and was named the Differentiation of Self Scale in Two Domains (DSS-2D). A preliminary study was then performed on its reliability and validity. A questionnaire survey was conducted with university students (n = 273). Exploratory factor analysis results were used to divide DSS-2D into 4 subscales. The intrapsychic differentiation scale corresponded to intrapsychic differentiation, while 3 subscales—the interpersonal differentiation togetherness scale, interpersonal differentiation individuality scale, and adaptive interpersonal relationship scale—corresponded to the interpersonal domain. The reliability coefficients for each subscale were sufficient. In all subscales, there was a significant correlation with trait anxiety, as was theoretically anticipated, and criterion-related validity was confirmed. These results support the future utility of DSS-2D.

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Kudo, K. (2018) A Differentiation of Self Scale in Two Domains for Japan: A Preliminary Study on Its Development and Reliability/Validity. Psychology, 9, 745-759. doi: 10.4236/psych.2018.94047.

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