Abstract
The aim of this study is to put forward the mediating role of self-control in the relationship between adolescents' aggressive behaviors and their cyber bullying behaviors. The study group included 333 high school students. The data was collected through the Positive Social and Aggressive Behaviors Scale, the Brief Self-Control Scale and the Cyber Victimization and Bullying Scale. To analyze the data, the LISREL 9.1 and SPPS 22 program was used. In the study, to calculate the indirect effect estimates of the variables, the SPSS Macro Process program was used. If the mediating role was statistically significant or not was tested through using the bootstrap test was calculated. According to the relational results of the study, it was found that there is a positive and moderate relationship between aggression and cyberbullying. A moderate, negatively significant relationship was found between aggression and self-control. It was determined that there is a moderate and negative relationship between self-control and cyberbullying. As a result of the study, it was determined that the aggressive behaviors predicted cyber bulying behaviors at a significant level. Another result of the study was that self-control played mediating role in the relationship between the aggressive behaviors and the cyber bullying behaviors. According to these results, self-control play an mediating role in the relationship between high school students' aggressive behaviors and their cyber bullying behaviors.

Key words: Aggressive Behaviors, Cyber Bullying, Self-Control, Mediating