Ebrahim Rajabpour

Background: Improving job performance is one of the basic requirements of today's organizations. Job burnout, as a psychological phenomenon caused by workplace pressures, can lead to a decrease and decrease in the quality of job performance. In contrast, psychological capital serves as a resource in stress management and job performance improvement and helps reduce burnout. The phenomenon of quiet quitting, as an increasing problem in organizations, begins with the decrease in job performance of employees who are lost in the culture of hustle and bustle. These discussions clearly show that understanding and recognizing employee behavior plays a major role in improving job performance and achieving organizational goals and objectives. Aim: The main objective of the study is to measure psychological capital and job burnout on job performance with the mediating role of quiet quitting among employees of Mellat Bank in Bushehr province. Methodology: The present study is classified as applied research in terms of its purpose and is field research in terms of its data collection method. This study is a descriptive-survey study and was conducted with deductive theories in the philosophy of positivism. A standard questionnaire was used to collect data. The statistical population of the study includes 366 employees of Bank Mellat in Bushehr province in 1403. Using the Cochran formula and using the population size, 188 people are determined as the sample size. The questionnaire is designed on a five-world Likert scale. Cronbach's alpha coefficient is used to measure the reliability of the measurement tool, and its validity is examined through the variance evaluated (AVE) measures to assess convergent validity and the Fornell and Larker values to assess divergent validity. The analyses were conducted in two descriptive data and inferential statistics. Conclusions: The results of this study showed that burnout in high-pressure environments such as banks can directly undermine em