This study aims to understand and analyze work engagement, self-efficacy, and organizational commitment on employe work effectiveness at PT. Bank Sumut Syariah Cabang Medan. This research uses a quantitative approach with an associative type of research. The population of this study consists of employes of PT. Bank Sumut Syariah Branch Medan, totaling 40 employes. The sampling technique used was the saturated sampling technique, which involves using the entire population, so the sample in this study consisted of 40 respondents. The results obtained from this study indicate that work engagement has a positive and significant partial effect on work effectiveness. Self-efficacy has a positive and significant partial effect on work effectiveness. Organizational commitment has a positive and significant partial effect on work effectiveness. Work engagement, self-efficacy, and organizational commitment have a positive and significant simultaneous effect on work effectiveness. The Adjusted R square value of 0.817 can be referred to as the coefficient of determination, which means that 0.817 (81.7%) of the work effectiveness variable can be obtained and explained by the work engagement, self-efficacy, and organizational commitment variables, while the remaining 18.3% is explained by variables outside the model that were not studied.
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