Leadership Styles and Total Quality Management Integration: A Cross-Sector Analysis of Operational Excellence in Business and Academic Insitutions

This study examined the relationships among leadership styles, Total Quality Management (TQM) integration, and operational excellence in business and academic institutions, with TQM integration analyzed as a mediating variable. Using a quantitative descriptive–correlational and explanatory research design, data were gathered through a structured survey administered to respondents from selected business organizations and academic institutions. Leadership styles were operationalized in terms of transformational, transactional, and participative leadership, while TQM integration and operational excellence were measured using established multidimensional indicators. Data were analyzed using descriptive statistics, correlation analysis, regression analysis, and mediation analysis. The results indicated that leadership styles were generally practiced at a high level, with transformational and participative leadership more prevalent than transactional leadership. TQM integration and operational excellence were also rated high overall; however, employee involvement, process management, efficiency, and continuous performance improvement were rated at moderate levels, suggesting uneven institutionalization of quality practices. The findings further revealed significant positive relationships between leadership styles and TQM integration, with transformational and participative leadership showing stronger associations. Regression analysis confirmed that TQM integration significantly influences operational excellence, while mediation analysis demonstrated that TQM integration partially mediates the relationship between leadership styles and operational excellence. These results highlight the critical role of leadership-driven TQM integration in enhancing operational performance and provide empirical support for a cross-sector model that can guide leaders, managers, and policymakers in strengthening quality management systems and achieving sustained operational excellence in both business and academic contexts.

Leadership styles; Total Quality Management; TQM integration; Operational excellence; Transformational leadership; Participative leadership; Business and academic institutions

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