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Objectives: This study aims to investigate the effects of self-differentiation on marital satisfaction, and the mediating effects of acceptance among newlywed couples based on the Actor-Partner Interdependence Model(APIM). Methods: Data were collected from 188 couples(376 individuals) aged 20~45. Descriptive statistics, t-tests, correlation analysis, confirmatory factor analysis, and structural equation modeling were performed. Results: Firstly, while the husbands’ self-differentiation was higher than that of the wives, there were no significant differences in acceptance and marital satisfaction between the husbands and wives. Secondly, the actor effect of self-differentiation on acceptance was significant for both husbands and wives, but the partner effect was significant only for the husbands. Thirdly, the actor and partner effects of acceptance on marital satisfaction were significant for both husbands and wives. Fourth, the actor and partner effects of self-differentiation on marital satisfaction through mediation of acceptance were significant for both husbands and wives. Conclusions: The significance lies in the understanding of the specific dynamics of interaction between spouses in influencing marital satisfaction through self-differentiation and acceptance during the early stages of marriage.
Choi et al. (Sun,) studied this question.