relation: https://eprints.untirta.ac.id/53521/ title: EFEKTIVITAS LAYANAN PEER COUNSELING ONLINE UNTUK MENINGKATKAN KEMAMPUAN PROBLEM SOLVING DEWASA AWAL (Penelitian Quasi Eksperimen Komunitas Online Kesehatan Mental dan Self-Development Oh Be Shine Tahun 2025) creator: BERLIANTI, SALWA subject: BF Psychology subject: L Education (General) description: This study was conducted with the aim of examining the effectiveness of online peer counseling services to improve early adult problem solving skills in the Oh Be Shine Mental Health and Self-Development Online Community. The research method used is quantitative method. The design used in this study is a quasi-experiment with a non-equivalent control group design. The technique of taking research subjects using purposive sampling and obtained 14 clients who have low problem solving skills. The results of the study showed the average pretest score obtained by the control group was 86.14 and the posttest was 88.85. Meanwhile, the experimental group obtained an average pretest score of 76.85 and posttest 127.71. The experimental group's problem solving ability experienced a significant increase after receiving online peer counseling service treatment. Through hypothesis analysis conducted using the Independent Samples t-Test with the assumption that the variance is not homogeneous (equal variances not assumed), the Sig value is obtained. (2-Tailed) of 0.000. Because this value is smaller than 0.05, the null hypothesis (H₀) is rejected and the alternative hypothesis (H₁) is accepted. This shows that the online peer counseling service provided to the experimental group is effective for improving clients' problem solving skills in the Oh Be Shine Mental Health and Self-Development Online Community. date: 2025-08-04 type: Thesis type: NonPeerReviewed format: text language: id identifier: https://eprints.untirta.ac.id/53521/1/Salwa%20Berlianti_2285210027_Fulltext.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/2/Salwa%20Berlianti_2285210027_01.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/3/Salwa%20Berlianti_2285210027_02.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/4/Salwa%20Berlianti_2285210027_03.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/5/Salwa%20Berlianti_2285210027_04.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/6/Salwa%20Berlianti_2285210027_05.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/7/Salwa%20Berlianti_2285210027_Reff.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/8/Salwa%20Berlianti_2285210027_Lamp.pdf format: text language: id identifier: https://eprints.untirta.ac.id/53521/9/Salwa%20Berlianti_2285210027_CP.pdf identifier: BERLIANTI, SALWA (2025) EFEKTIVITAS LAYANAN PEER COUNSELING ONLINE UNTUK MENINGKATKAN KEMAMPUAN PROBLEM SOLVING DEWASA AWAL (Penelitian Quasi Eksperimen Komunitas Online Kesehatan Mental dan Self-Development Oh Be Shine Tahun 2025). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.