Psychological well-being includes a person's perceptions of the degree of coordination between certain and drawn goals with performance outcomes that are obtained in the process of continuous eva‎luations and lead to internal and relatively stable satisfaction in the life sequence. The present study was conducted in order to investigate the mediating role of self-determination in the relationship between attachment styles and psychological well-being of students. The design of the current research was descriptive of the type of correlation with the method of structural equation modeling. The statistical population of this research included all students of Ardakan State University in the academic year of 2022-2023, 250 of whom were selected as a sample using available sampling method. To collect data, psychological well-being questionnaires of Riff (1989), attachment style of Collins and Reed and 21 questions of self-determination motivation questionnaire of Gary Guardia, Deci and Ryan (2000) were used. In order to analyze descriptive and inferential data, Spss-26 and Amus-24 software were used. The findings showed that there is a significant positive relationship between psychological well-being and secure attachment style, and there is a negative significant relationship between psychological well-being and anxious and avoidant attachment style. Also, the results showed that there is a significant positive relationship between self-determination and psychological well-being. There is a positive and significant relationship between self-determination and secure attachment style, and there is a significant negative relationship between self-determination and avoidant attachment style and ambivalent attachment style. Finally, it was concluded that self-determination has an indirect effect on the relationship between attachment styles and psychological well-being, and thus, self-determination plays a mediating role in the relationship between attachment styles and psychological well-being. According to the results of this study, self-determination had a decisive role between attachment style and psychological well-being in students. It is suggested that clinical psychologists and counselors use self-determination as an important method for desirable psychological outcomes in students. Keywords: Attachment Styles, Psychological Well-being, Self Determination, Students

10/21/2023 12:00:00 AM

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