Efektifitas Layanan Bimbingan Kelompok untuk Meningkatkan Kepercayaan Diri Siswa melalui Teknik Menulis Ekspresif pada Siswa Kelas X SMA Negeri 2 Samarinda Tahun Ajaran 2025

Niken Novita Dewi (Program Studi Bimbingan dan Konseling, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Kuaro, Samarinda, Kalimantan Timur 75117, Indonesia)
Wahyu Widyatmoko (Program Studi Bimbingan dan Konseling, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Kuaro, Samarinda, Kalimantan Timur 75117, Indonesia)
Dwi Sona (Program Studi Bimbingan dan Konseling, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Kuaro, Samarinda, Kalimantan Timur 75117, Indonesia)
Dhanang Suwidagdho (Program Studi Pendidikan Bahasa dan Sastra Indonesia, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Tidar, Jalan Kapten Suparman Nomor 39, Magelang, Jawa Tengah 56116, Indonesia)

Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan
Vol. 6 No. 3 (2026): July (In Progress)

This research is motivated by students' low self-confidence, demonstrated by a lack of courage to express opinions, participation in learning, and social interaction in the classroom. Self-confidence is an important aspect of students' personal development, influencing their learning success and adjustment. This study aims to determine the difference in students' self-confidence levels before and after being given group guidance services using expressive writing techniques. This research used an experimental research design with a one-group pretest-posttest design. The sample consisted of 8 students selected using a purposive sampling technique. Based on the pretest and posttest data, the mean score before treatment was 74, which is considered low, and after treatment, it showed an increase with a mean score of 84. The paired t-test analysis obtained a significance value of 0.001 <0.05, indicating a significant difference in students' self-confidence levels before and after being given group guidance services using expressive writing techniques for 7 meetings. Thus, group guidance services using expressive writing techniques have proven effective in increasing the self-confidence of 10th-grade students at SMA Negeri 2 Samarinda.