Penelitian ini bertujuan untuk mengetahui pengaruh dari self-oriented perfectionism dengan mediasi identified regulation dan introjected regulation terhadap perilaku kerja workaholism. Responden dari penelitian ini adalah staf salah satu bank asing Jepang yang ada di Jakarta berjumlah 114 orang. Analisis mediasi menggunakan causal step yang dikembangkan oleh Baron dan Kenny (1986). Hasil penelitian ini adalah self-oriented perfectionism memberikan pengaruh terhadap workaholism melalui identified regulation dan introjected regulation. Identified Regulation memediasi secara penuh (complete mediation) pengaruh self-oriented perfectionism terhadap workaholism. Introjected Regulation memediasi secara penuh (complete mediation) pengaruh self-oriented perfectionism terhadap workaholism. Pengaruh Self-oriented Perfectionism berhubungan negatif terhadap Workaholism.

---

This study aims to determine the effect of self-oriented perfectionism mediated by identified regulation and introjected regulation towards workaholism. The respondents of this study was employee in XYZ japan bank at Jakarta branch office with total 114 employee. Mediation analysis use causal step by Baron and Kenny (1986). The result self-oriented perfectionism give impact toward workaholism mediated by identified regulation and introjected regulation. Identified Regulation completely mediated the impact of self-oriented perfectionism toward workaholism. Introjected Regulation completely mediated the impact of self-oriented perfectionism toward workaholism. The impact of Self-oriented Perfectionism have negative relationship toward Workaholism.