“Kepedulian terhadap Sahabat” untuk Meningkatkan Perilaku Prososial Saksi Bullying di Tingkat Sekolah Menengah Pertama
Abstract. This study aimed to test the effect of training module “Kepedulian terhadap sahabat” in improving prosocial behavior of peer bystanders in middle school. This research used quasi experiment method with the untreated control group design with dependent pretest and posttest samples which separated subjects into two groups, experimental group and control group (N: 48). The subjects were bullying bystanders grade 7-8 middle school students. Instrument used in this research were knowledge test as manipulation check, prosocial scale, and a module of “Kepedulian terhadap Sahabat”. T-test was used to analyze the difference between experimental group and control group. The result shows of that “Kepedulian terhadap Sahabat” has an effect bystanders’s prosocial behavior (z=-3.799, p=0.01) on middle schoolstudents. Keywords: bullying bystanders; prosocial behavior; social-emotional learning