Institutional Repository UIN Sunan Kalijaga YogyakartaPERAN REGULASI DIRI DALAM MEMEDIASI HUBUNGAN ANTARA NARSISME DAN ADIKSI SOSIAL MEDIA PADA MAHASISWANIM.: 22107010021Naili IkrimahauthorSocial media addiction among university students is a phenomenon requiring urgent study, as excessive social media use can interfere with academic responsibilities, sleep patterns, and daily activities. Preliminary research involving students in the Special Region of Yogyakarta indicates that a majority of respondents show signs of social media addiction. Narcissism is viewed as a dispositional factor that exacerbates this vulnerability, as narcissistic individuals tend to use social media to seek attention, recognition, and social validation; however, the underlying psychological processes remain under-researched among Indonesian students. This study aims to examine the role of self-regulation as a mediator in the relationship between narcissism and social media addiction among university students. A quantitative correlational design was employed, involving 299 active students aged 18–25 from various universities in the Special Region of Yogyakarta, selected via incidental sampling. Data were collected using three online questionnaires: the NARQ (for narcissism), the Self-Regulation Scale as modified by Setiawan (2022) (for self-regulation), and the Bergen Social Media Addiction Scale (BSMAS) (for social media addiction). Data were analyzed using path analysis with a percentile bootstrap approach (5,000 replications) via the Jamovi application. The results demonstrate that narcissism has a positive and significant direct effect on social media addiction (estimate = 0.1101; p < 0.001) as well as a positive and significant indirect effect mediated by self-regulation (estimate = 0.0261; 95% CI = 0.009–0.044; p = 0.005), indicating partial mediation. These findings suggest that self-regulation accounts for only a portion of the influence of narcissism on social media addiction; therefore, strengthening self-regulation is an important consideration for prevention efforts.150 Psikologi2026-08-19UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS ILMU SOSIAL DAN HUMANIORAThesis

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