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Much. Riyadus Solichin
Putra Bangsa University, Kebumen, Indonesia

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The Effect of Conflict Management and Interpersonal Communication on SPPG Employee Performance with Social Support as a Moderating Variable Much. Riyadus Solichin; Parmin Parmin
JURNAL ECONOMINA Vol. 5 No. 8 (2026): JURNAL ECONOMINA, Agustus 2026
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi 45 Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/economina.v5i8.3956

Abstract

This study examines the effect of conflict management and interpersonal communication on SPPG employee performance, and tests the moderating role of social support. The sample consisted of 115 SPPG employees across the districts of Kebumen and Cilacap, selected using purposive sampling. The instruments were adapted from the Thomas–Kilmann Conflict Mode Instrument (TKI) for conflict management, a Communication Competence Scale for interpersonal communication, a Workplace Social Support Scale for social support, and Koopmans et al.'s Individual Work Performance Questionnaire (IWPQ) for employee performance. The data were analyzed using Partial Least Squares–Structural Equation Modeling (PLS-SEM). The findings show that conflict management has a positive and significant effect on employee performance, interpersonal communication has a positive and significant effect on employee performance, social support has a positive and significant effect on employee performance, and social support significantly moderates the effect of conflict management on performance, but does not moderate the effect of interpersonal communication on performance. Managerially, SPPG management should strengthen collaborative conflict-handling styles and build a sustainable workplace social support network to sustain cross-functional performance.