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THE ROLE OF PSYCHOLOGICAL WELL-BEING AND PROACTIVE PERSONALITY IN THE RELATIONSHIP BETWEEN ORGANIZATIONAL JUSTICE AND EMPLOYEE VOICE BEHAVIOR

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Thesis Type: Doctorate

Institution Of The Thesis: Recep Tayyip Erdogan University, Sosyal Bilimler Enstitüsü, Turkey

Approval Date: 2025

Thesis Language: Turkish

Student: MELTEM TURAN AYDIN

Supervisor: Güler Yanık

Open Archive Collection: AVESIS Open Access Collection

Abstract:

In this study, the mediating role of psychological well-being in the effect of organizational justice on employee voice behavior, as well as the conditional role of proactive personality in this indirect relationship, was examined. The research aimed to explain how employees’ perceived levels of justice within their organizations shape their voice behavior through psychological well-being, and whether this process differs depending on their level of proactive personality. Using a relational research design, data were collected through a questionnaire administered to 527 employees working in the automotive sector in the Marmara Region, selected through purposive sampling, in order to test the proposed hypotheses. The study analyzed the relationships among organizational justice, psychological well-being, proactive personality, and voice behavior within a mediated–moderated model framework, and the conditional process analysis was conducted using Hayes’ PROCESS macro. The findings revealed that organizational justice has a significant and positive effect on employee voice behavior, and that psychological well-being serves as a mediator in this relationship. In addition, the indirect effect of organizational justice on voice behavior through psychological well-being was found to differ significantly based on employees’ levels of proactive personality, with the effect being stronger particularly among individuals with high proactive personality. These results indicate that both psychological and personality-based resources should be jointly considered in efforts to enhance employee voice behavior. Adopting a holistic perspective on voice behavior, the study discusses its findings within the existing literature and provides implications and recommendations for both theory and practice.