PENGARUH PERILAKU TEMAN SEBAYA TERHADAP ASERTIVITAS SISWA

This study is aimed to find out the description of peer’s behavior, the description of the students’ assertive behavior, and the influence of peer’s behavior towards the students’ assertiveness. The populations in this study were all students of Vocational Schools in Rembang regency with samples of 334 students obtained by cluster proportional random sampling. The methods for collecting data used in this study were psychological scale and questionnaire. The validity of the instrument used product moment formula and the reliability calculation used Alpha formula. The techniques for analyzing the data were percentage descriptive analysis and simple regression analysis. The result of the analysis showed that the peer’s behavior belonged to sufficient enough criteria (65.01%) whereas the students’ assertive behavior was in high criteria (68.46%) and the influence of the peer’s behavior towards the students’ assertive behavior was 4.31%. The conclusion of this study is that there is a relationship between the peer’s behavior and the students’ assertiveness