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Efektivitas Chatbot-AI dalam Pembelajaran Matematika melalui Model NHT berbasis PBL di SMPN 3 Binamu Husain, Husriani; Syaharuddin, Syaharuddin; Yasriuddin, Yasriuddin; Agustina, Sri Wahyuni
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.11074

Abstract

Mathematics learning in the digital era requires instructional strategies that enhance conceptual understanding while fostering students’ motivation and engagement. Integrating artificial intelligence into classroom practice offers a promising solution to these challenges. This study aimed to examine the effectiveness of integrating an AI chatbot into the Numbered Heads Together (NHT) model based on Problem-Based Learning (PBL) in improving students’ mathematical conceptual understanding and learning motivation. A quantitative approach with a quasi-experimental nonequivalent control group design was employed. The sample consisted of two eighth-grade classes at SMPN 3 Binamu, each comprising 30 students. The experimental group received NHT-based PBL integrated with an AI chatbot, whereas the control group received NHT-based PBL without chatbot support. Data were collected through a conceptual understanding test, a learning motivation questionnaire, and an observation sheet, and were analyzed using independent samples t-test, paired samples t-test, N-Gain, and Cohen’s d. The results revealed a significant difference in learning outcomes between the two groups (p < 0.05). The N-Gain and effect size were moderate, students’ motivation was high, and engagement was very good. These findings indicate that integrating an AI chatbot into NHT-based PBL effectively enhances mathematics learning quality.
Implementation of Peer Group Support to Improve Mental Health and Resilience in Adolescents Post-Online Learning in Public High Schools Solehuddin, Moh; Faliza, Nur; Jenuri, Jenuri; Mustangin, Mustangin; Yasriuddin, Yasriuddin
International Journal of Community Service (IJCS) Vol. 5 No. 1 (2026): January-June
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijcs.v5i1.1869

Abstract

The transition from emergency remote learning to in-person schooling following the COVID-19 pandemic has left Indonesian high school students confronting substantial mental health vulnerabilities, including elevated stress, anxiety, and diminished resilience. This study investigated the effectiveness of a structured peer group support intervention in improving mental health outcomes and resilience among adolescents in a public senior high school (SMA Negeri) context. Employing a quasi-experimental, non-equivalent control group design, the research involved 218 students (110 in the intervention group, 108 in the control group) from a state high school in East Java, Indonesia. The intervention group participated in an eight-week peer support program comprising weekly group sessions, psychoeducation modules, and guided peer interactions, while the control group received standard school guidance services. Mental health was assessed using the Depression, Anxiety, and Stress Scale-21 (DASS-21), and resilience was measured with the Connor-Davidson Resilience Scale (CD-RISC). Data were collected at pre-test, post-test, and an eight-week follow-up, and analyzed using independent and paired sample t-tests, repeated measures ANOVA, and ANCOVA. Results indicated that the intervention group exhibited statistically significant improvements in mental health (reductions in depression, anxiety, and stress) and resilience scores compared to the control group, with medium to large effect sizes (ηp² ranging from .09 to .24). The findings demonstrate that peer group support represents a culturally congruent, scalable, and cost-effective strategy for addressing post-pandemic mental health challenges in Indonesian secondary education settings. The study underscores the critical role of peer relationships in adolescent psychological well-being and provides an evidence-based framework for integrating peer support programs into national school health initiatives.