Investigation of the extradyadic involvement (Infidelity) tendency within the framework of object relations theory: The mediating role of relationship satisfaction and defense mechanisms

The main purpose of this study is to investigate the dynamics of the extradyadic involvement (infidelity) tendency within the framework of object relations theory and to analyze the mediating role of defense mechanisms and relational satisfaction in the relationship between object relations and extradyadic involvement (infidelity) tendency. The participants of the study consists of 666 people aged between 25-65 (𝑋̅= 35.01, Sd= 8.16) who have a romantic relationship (dating, engaged, married). In collecting the data, Bell Object Relations and Reality Testing Inventory (BORRTI), Defence Style Questionnaire-40, Relationship Assessment Scale, Infidelity Tendency Scale and Demographic Information Form developed by the researcher were used. When the study results are summarized; while the mediating role of relationship satisfaction, neurotic defense styles and immature defense styles were confirmed in the relationship between object relations and the infidelity tendency, the mediating role of mature defense styles were not. In addition to that, it has been found that the relationship between object relations sub-dimensions, alienation, insecure attachment, egocentricity, social incompetence and infidelity tendency is mediated by neurotic defense styles, immature defense styles and relationship satisfaction. The results of the study were discussed and interpreted in the frame of relevant literature.