<![CDATA[Suboptimal self-esteem among students may be reflected in feelings of inferiority, reluctance to express opinions, social withdrawal, and a tendency to compare themselves with peers. These conditions were identified among several students at SMK Negeri 8 Palu, indicating the need for an appropriate intervention through guidance and counseling services. This study aimed to determine students' levels of self-esteem before and after receiving group guidance using the role-playing technique and to examine the effectiveness of the technique in improving students' self-esteem. This study employed a quantitative approach with a pre-experimental one-group pretest-posttest design. The participants were 10 students selected through purposive sampling based on identification by the school's Guidance and Counseling teacher. Data were collected using a Likert-scale self-esteem questionnaire with a Cronbach's Alpha reliability coefficient of 0.946. Data were analyzed using descriptive statistics, the Shapiro-Wilk test, and a paired sample t-test. The results showed that at the pretest stage, all students (100%) were in the moderate category. After three sessions of group guidance using the role-playing technique, 8 students (80%) reached the high category, while 2 students (20%) remained in the moderate category. The paired sample t-test yielded a t-value of 14.029 with a significance value of 0.000 (p < 0.05), indicating a significant difference in students' self-esteem scores before and after the intervention. Therefore, group guidance using the role-playing technique was effective in improving students' self-esteem at SMK Negeri 8 Palu and can serve as an alternative intervention in school guidance and counseling services. ABSTRAK Self-esteem yang belum optimal dapat ditunjukkan melalui sikap minder, kurang berani mengemukakan pendapat, menutup diri, dan mudah membandingkan diri dengan teman sebaya. Kondisi tersebut ditemukan pada sebagian siswa SMK Negeri 8 Palu sehingga diperlukan intervensi melalui layanan bimbingan dan konseling. Penelitian ini bertujuan untuk mengetahui tingkat self-esteem siswa sebelum dan sesudah diberikan layanan bimbingan kelompok dengan teknik role playing serta menguji efektivitas teknik tersebut dalam meningkatkan self-esteem siswa. Penelitian menggunakan pendekatan kuantitatif dengan desain pra-eksperimen one-group pretest-posttest. Subjek penelitian berjumlah 10 siswa yang dipilih melalui purposive sampling berdasarkan hasil identifikasi guru Bimbingan dan Konseling. Data dikumpulkan menggunakan angket self-esteem skala Likert dengan reliabilitas Cronbach's Alpha sebesar 0,946. Data dianalisis menggunakan statistik deskriptif, uji Shapiro-Wilk, dan paired sample t-test. Hasil penelitian menunjukkan bahwa pada pretest seluruh siswa (100%) berada pada kategori sedang. Setelah diberikan layanan bimbingan kelompok dengan teknik role playing selama tiga pertemuan, sebanyak 8 siswa (80%) berada pada kategori tinggi dan 2 siswa (20%) tetap berada pada kategori sedang. Hasil paired sample t-test menunjukkan nilai t = 14,029 dengan signifikansi 0,000 (p < 0,05), yang menunjukkan adanya perbedaan yang signifikan antara skor self-esteem sebelum dan sesudah intervensi. Dengan demikian, layanan bimbingan kelompok dengan teknik role playing efektif meningkatkan self-esteem siswa SMK Negeri 8 Palu dan dapat menjadi salah satu alternatif intervensi dalam layanan bimbingan dan konseling.]]>
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