<![CDATA[The problem of this research was the low of students self esteem. The aims of this study was to find out whether use group counseling service assertive training technique to improve students self esteem on class X SMA Muhammadiyah 2 Bandar Lampung in academic year 2016/2017. This research method was pre-experimental with one group pretest-posttest design. The subjects in this research were 8 students which having the low self esteem. The data collecting technique was using self esteem scale. The results of data were analyzed from pretest and posttest of self esteem using wilcoxon test. The result of statistics analyzed was showing that the value of Zcount = -2,350 Ztable = 1,645, so it can be concluded that Ho was rejected and Ha was accepted. It means that group counseling service assertive training technique can be used to improve students self esteem.Masalah penelitian ini adalah self esteem siswa rendah. Tujuan penelitian ini adalah untuk mengetahui apakah penggunaan layanan konseling kelompok teknik assertive training dapat meningkatkan self esteem pada siswa kelas X SMA Muhammadiyah 2 Bandar Lampung Tahun Ajaran 2016/2017. Metode penelitian ini adalah pre-experimental dengan one group pretest-posttest design. Subyek penelitian sebanyak 8 siswa yang memiliki self esteem rendah. Teknik pengumpulan data menggunakan skala self esteem. Hasil analisis data dari pretest dan posttest self esteem menggunakan uji Wilcoxon. Hasil analisis statistik menunjukan nilai Zhitung = -2,350 Ztabel = 1,645, maka dapat disimpulkan Ho ditolak dan Ha diterima. Ini artinya layanan konseling kelompok teknik assertive training dapat digunakan untuk meningkatkan self esteem siswa.Kata kunci: assertive training, konseling kelompok, self esteem]]>
