The purpose of the study was to determine the relationship between addiction to play mobile legend (ML) games with aggressive behavior in college students. The subjects of this study were 50 students from Satya Wacana Christian University with the intensity of playing 14 hours in a week using the Isidental Sampling technique. This research uses a quantitative method, with the measurement tool in the form of the aggressive behavior scale and the game addiction scale. The results of this study

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... icate that there is a positive relationship between addiction to ML games with aggressive behavior based on the results of the correlation test using Pearson correlation results get 0.415 (p <0.05). Correlation test results by looking at the determinant coefficient r2 (0.415) = 0.172, as for the effective contribution of ML online gaming addiction to aggressive behavior by 17.22% then there are still 82.78% contribution from other variables that influence aggressive behavior besides ML online game addiction. Keyword: addicted to the mobile legend game, aggressive Behavior. Abstrak Tujuan penelitian adalah untuk mengetahui hubungan antara kecanduan bermain game mobile legend (ML) dengan perilaku agresif pada mahasiswa. Subjek penelitian ini adalah 50 orang mahasiswa Universitas Kristen Satya Wacana dengan intensitas bermain 14 jam dalam seminggu menggunakan teknik Incidental Sampling. Penelitian ini menggunakan metode kuantitatif, dengan alat ukur berupa skala perilaku agresif dan skala kecanduan game. Hasil penelitian ini menunjukkan ada hubungan positif antara kecanduan game ML dengan perilaku agresif berdasarkan hasil uji korelasi menggunakan Pearson correlation mendapatkan hasil 0,415 (p<0,05). hasil uji korelasi dengan melihat koefisien determinan r2 (0,415) = 0,172, adapun sumbangan efektif kecanduan game online ML terhadap perilaku agresif sebesar 17,22 % maka masih ada 82,78 % sumbangan dari variabel lain yang mempengaruhi perilaku agresif selain kecanduan game online ML. Kata kunci: kecanduan game mobile legend, perilaku agresif. JURNAL PSIKOLOGI PERSEPTUAL