摘要：The phenomenon of behavior hurt others as if no longer a new story. The act of attacking directly or indirectly leads to criminal acts that can injure the victim either physically or psychologically. This study aims to provide an overview of aggressive behavior in junior high school students. This research is a descriptive research with a quantitative approach. This research uses data collecting tool in the form of aggressiveness scale. Subjects in this study were junior high school students consisting of DIY. Subjects were taken by using simple random sampling technique. This research uses data analysis technique with standard deviation formula. The results of this study indicate the aggressiveness of junior high school students in DIY in very high category of 1%, high category 13%, moderate category 37%, low category 43%, and very low category 6%.
