The Effectiveness of the Application of Sociodrama Techniques in Group Guidance Services to Improve Social Adjustment of Grade VII A SMP St. Theresia Kupang Academic Year 2025/2026

This study aims to determine the effectiveness of the application of sociodrama techniques in group guidance services to improve the social adjustment of students in grade VII A SMPK St. Theresia Kupang for the 2025/2026 Academic Year. This study uses a quantitative approach with a pre-experimental method and a one-group pretest-posttest design. The research population is 29 students, while the research sample consists of 6 students who were selected using the purposive sampling technique. The research instrument used is a social adjustment questionnaire that has gone through validity and reliability tests. The research data was analyzed using the paired-samples t-test. The results of the study showed an increase in students' social adjustment after being treated in the form of the application of sociodrama techniques in group guidance services. This is shown by the average score of the posttest which is higher than the average score of the pretest. The results of the hypothesis test also showed a significance value of 0.000 (p < 0.05), with a t-calculated value of -35.462 and a t-table value of 2.57058. Based on these results, the null hypothesis (H₀) was rejected and the alternative hypothesis (Hₐ) was accepted. Thus, the application of sociodrama techniques in group guidance services was declared effective in improving the social adjustment of students in grade VII A SMPK St. Theresia Kupang for the 2025/2026 Academic Year.