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.
Highlights
IntroductionDifferentiation of self is one of the main concepts in Bowen’s proposed Family Systems Theory
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
I composed a differentiation of self scale that considered the following 3 conditions: it is composed of subscales that correspond to the 2 domains of differentiation of self, the item content can be used with all ages of adolescents, and the number of items is restricted as much as possible
Summary
Differentiation of self is one of the main concepts in Bowen’s proposed Family Systems Theory. Differentiation of self is composed of two domains, differentiation in the intrapsychic domain and differentiation in the interpersonal domain. Intrapsychic differentiation is the balance between an individual’s thoughts and emotions, while interpersonal differentiation is the balance between the desire. Togetherness is the desire to be dependent on, seek connections with, and be the same as others Differentiation is the ability to appropriately handle the “balance between thoughts and emotions” and the “balance between individuality and togetherness,” or rather the ability to sustain balance among each pair of concepts and manage the appropriate function of each while maintaining overall integration
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