Turkish Journal of Physiotherapy and Rehabilitation; 32(3) ISSN 2651-4451 | e-ISSN 2651-446X www.turkjphysiotherrehabil.org 17971 EMOTIONAL REGULATION SKILLS TO REDUCE BULLYING BEHAVIOR OF JUNIOR HIGH SCHOOL STUDENTS Elisabeth Christiana 1 , Nur Hidayah 2 , Blasius Boli Lasan 3 , IM Hambali 4 , Mariani MD Nor 5 1234 Guidance and Counseling, Faculty of Education, Universitas Negeri Malang, Jawa Timur, Indonesia 5 Departement of Educational Psychologi and Counseling, Faculty of Education, Malaya University, Malaysia 1 E-mail : elisabeth.christiana.1901116@students.um.ac.id ABSTRACT This study aims to elaborate on the theoretical basis and practice of emotion regulation skills to reduce bullying behavior in junior high school students. The research method used is library research method. The data collection method used is the documentation method. The data analysis technique used is content analysis. In order to maintain the accuracy of the assessment and prevent misinformation in data analysis, inter-library checks and rereading of the literature as well as attention to the supervisor's comments are carried out. The results of this study are 1) Knowing the function of emotion regulation skills; 2) Strategy of emotion regulation skills; 3) Emotional regulation training steps; 4) The effectiveness of emotional regulation training on bullying behavior; 5) Emotional regulation of bullying victims; 6) Factors affecting emotion regulation; 7) The relationship of emotion regulation with the aspect of responsibility, prosocial. Key words: Emotion Regulation, Bullying Behavior, Junior High School Students I. PRELIMINARY Adolescence is a time when individuals experience many drastic changes in various aspects such as cognitive and physical appearance. At this time there is also a transition or transition from children to adults, they have various new developmental tasks and are required to be able to act and speak in accordance with the moral values that develop in society. Meanwhile, according to Batubara (2010), adolescence is a transition period from children to adults. And there are various hormonal, physical, psychological and social changes. And these changes occur quickly and without us knowing it. Such physical changes are marked by the development of secondary sex signs, the occurrence of growth spurts, as well as changes in behavior and social relationships with their environment. The characteristics of adolescents according to Hurlock (Son, 2017) are as follows; 1) Rapid physical development is accompanied by rapid mental development, especially in early adolescence. All these developments give rise to the need for mental adjustment and the need to form new attitudes, values, and interests. 2) Adolescence as a period of change The rate of change in attitudes and behavior during adolescence parallels the level of physical change. During early adolescence, when physical changes occur rapidly, changes in behavior and attitudes are also rapid. If physical changes decrease, then changes in attitudes and behavior also decrease. 3) Adolescence as a problematic age Each period of development has its own problems, but the problem of adolescence is often a problem that is difficult to overcome for both boys and girls. Their inability to solve problems on their own in the way they believe in, many teenagers eventually find that the solutions are not always in line with their expectations. 4) Adolescence as a period of searching for identity In the early years of adolescence, adjustment to the group is still important for boys and girls. Gradually they begin to yearn for identity and are no longer content with being the same as their friends in every way, as before. This ambiguous status of adolescents creates a dilemma that causes adolescents to experience "identity crisis" or ego-identity problems in adolescents. 5) Adolescence is an age that creates fear. Cultural stereotypes that teenagers like to do what they want are not trustworthy and tend to behave destructively, In accordance with its development, at this time teenagers attend junior high and high school levels. There they met and spent a lot of time with other teenagers. As for the previous characteristics, it is also stated that