This study aims to determine the correlation between communication skills with aggressiveness and how effective contribution of communication ability to aggressiveness in students of SMA Negeri 4 Yogyakarta. This study uses a quantitative approach with the type of correlation research. This study was conducted in SMA N 4 Yogyakarta with a sample of 70 students and data collection in this study using the scale of Aggressiveness and Scale of Communication Skills. The results showed that communication skills have an influence on aggressiveness in accordance with statistical data. Statistical test of Communication Skill variable got t arithmetic equal to 2,848 with significance 0,006. Because t counts larger t table (2.848> 2,007) or significance t <of 5% (0.006 <0.05) ,. Partially Communication Skills significantly influence aggressiveness. The results of this study are useful for guidance and counseling teachers to help students improve their communication skills and student aggressiveness.
PSIKOPEDAGOGIA Jurnal Bimbingan dan Konseling ISSN: 2301-6167, e-ISSN: 2528-7206 Published by Universitas Ahmad Dahlan in collaboration with Association of Guidance Counseling Study Program, ALPTKPTM, Indonesia