Use of Assertive Training Techniques to Improve Adolescents’ Self-Confidence in High School Students of Class VIII

Abstract

This research aimed to find out the improvement of adolescents’ self-confidence through the use of assertive training method in high school students. It used action researchbydeterminingtheresearchsubjectsbasedonpurposivesamplingtechniques in 5 students of class VIII. The research instrument was a scale of self-confidence and observationguidance.Theassertivetrainingmethodwasperformedinonecyclewhich had been divided into four activities. This research used statistical analysis techniques of non-parametric by using Wilcoxon Signed Rank Test. The results indicated that: (1) the initial condition of self-confidence in high school students of class VIIIB SMP MuhammadiyahPakemwasindividuallylow.Theconditionwasprovedaccordingtothe resultsofPreTestwiththeaveragescoresofthestudents’self-confidenceof56.4and categorized as low self-confidence. (2) The assertive training method was used in one cyclewhichhadbeendividedintofouractivities,suchascasestudy,groupdiscussion, role playing, and worksheet filling which lead to improvement of their self-confidence. It had been proven by conducting the average scores of self-confidence Post Test of 97.2 and was categorized as low self-confidence.