assertiveness training melalui bermain peran dalam bimbingan kelompok untuk meningkatkan komunikasi interpersonal

Interpersonal communication skills are one of the ability students to interact with others. Students who have interpersonal communication problems can be hinder the process of development of creativity and improved academic  achievement. The purpose of this study is to investigate interpersonal communication skills of score experimental group after assertiveness training through a role playing methods in group guidance to help improve. This research applied quasi-experimental approach by pretest-posttest control group design. The subjects were 10 students of class Eleven IPS (experimental group) and 10 students of class Eleven  IPA (the control group). To select subjects for experimental and control groups using purposive sampling technique through data analysis pretest. It was considered in some criteria such as with low average scores of interpersonal communication skills. The data was collected through by scale of interpersonal communication skills that have been tested for validity and reliability. The data analysis technique used is nonparametric statistics by Mann Whitney U Test. From the results of post-test, the student interpersonal communication skills improved. It was indicated by the results of quantitative analysis that assertiveness training through a role playing methods in group guidance was effective to improve students interpersonal communication skills from group guidance without assertiveness training through a role playing method, with the result that assertiveness training through role-play methods can be used as one method of group guidance services to enhance the interpersonal communication skills of students.