%L UNY73887 %K rational emotive behavior, self confidence %A FELIX TRISUKO NUGROHO %X This study aimed to examine the effectiveness of Rational Emotive Behavior group counseling in increasing student self-confidence. This type of research is a pre-experimental. The design used in this research is one-group pretest-posttest design. Subjects in this study were students 1 Dolopo Public High School, Madiun District in the academic year of 2018/2019 which amounted 13 people. The data collection method used is Instruments. This research instrument using self-confidence scale that consisted of 56 item statements. The data analysis techniques in the study used the Wilcoxon Sign Rank Test. The results of this study indicated that Rational Emotive Behavior (REB) group counseling technique was effective in increasing students' self-confidence. There were differences in the final results between the pre-test and post-test after getting the Rational Emotive Behavior (REB) group counseling technique with p = 0. 001 smaller than α = 0.05 (p < 0.05), then Ho was rejected and Ha was accepted. %I Universitas Negeri Yogyakarta %T EFEKTIVITAS KONSELING KELOMPOK RATIONAL EMOTIVE BEHAVIOR (REB) TERHADAP PENINGKATAN KEPERCAYAAN DIRI (SELF-CONFIDENCE) SISWA SMA NEGERI 1 DOLOPO KABUPATEN MADIUN %D 2022