THE EFFECT OF LEADERSHIP STYLE AND INTERPERSONAL COMMUNICATION  ON EMPLOYEE PERFORMANCE THROUGH MOTIVATION AS AN INTERVENING  VARIABLE AT SMKN 1 KISARAN

Afni Mudarsih Rambe; Syaifuddin; Nagian Toni; Yusuf Ronny Edward; Yeni Ariesa

Published May 8, 2026

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Vol. 3 No. 1 (2026): Proceeding International Conference on Economic, Business, Management and Accounting

Afni Mudarsih Rambe

Universitas Prima Indonesia

Syaifuddin

Universitas Prima Indonesia

Nagian Toni

Universitas Prima Indonesia

Yusuf Ronny Edward

Universitas Prima Indonesia

Yeni Ariesa

Universitas Prima Indonesia

Abstract

This study seeks to examine the impact of leadership style and interpersonal communication on
employee performance, with motivation serving as an intervening variable at SMKN 1 Kisaran. In
educational institutions, employee performance is shaped by a combination of internal and external
factors, among which leadership, communication, and work motivation play critical roles.
Effective leadership provides direction, guidance, and support, while clear and open interpersonal
communication fosters collaboration and understanding among staff, both of which are essential
for enhancing motivation and performance. Employing a quantitative research design, this study
collected data through surveys distributed to all employees of SMKN 1 Kisaran. The collected
data were analyzed using Structural Equation Modeling (SEM) to assess both the direct and
indirect effects of leadership style and interpersonal communication on employee performance.
The findings reveal that both leadership style and interpersonal communication significantly and
positively influence employee motivation. Moreover, motivation is found to mediate the
relationship between leadership, communication, and employee performance, indicating that the
positive effects of leadership and communication are strengthened when employees are motivated.
These results highlight the critical role of effective leadership and interpersonal communication in
fostering motivation, which in turn drives better performance outcomes. Practically, this study
provides guidance for school management in developing strategies to improve employee
performance by enhancing leadership quality, promoting effective communication, and nurturing
work motivation, ultimately contributing to a more productive and committed workforce within
the educational setting.
Keywords: Leadership Style, Performance, Interpersonal Communication and Motivation.

How to Cite

Rambe, A. M., Syaifuddin, Nagian Toni, Yusuf Ronny Edward, & Yeni Ariesa. (2026). THE EFFECT OF LEADERSHIP STYLE AND INTERPERSONAL COMMUNICATION ON EMPLOYEE PERFORMANCE THROUGH MOTIVATION AS AN INTERVENING VARIABLE AT SMKN 1 KISARAN. Proceeding International Conference on Economic, Business, Management and Accounting, 3(1). Retrieved from https://jurnal.unprimdn.ac.id/index.php/icebesma/article/view/8357

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