eprintid: 138274 rev_number: 27 eprint_status: archive userid: 218084 dir: disk0/00/13/82/74 datestamp: 2025-09-09 02:56:03 lastmod: 2025-09-09 02:56:03 status_changed: 2025-09-09 02:56:03 type: thesis metadata_visibility: show creators_name: Toni Hidayat, - creators_name: Darhim, - creators_name: Sufyani Prabawanto, - creators_name: Jarnawi Afgani Dahlan, - creators_nim: NIM2208087 creators_nim: NIDN0003035505 creators_nim: NIDN0030086002 creators_nim: NIDN00111056803 creators_id: toni.hidayat@upi.edu creators_id: darhim@upi.edu creators_id: sufyani@upi.edu creators_id: jarnawi@upi.edu contributors_type: http://www.loc.gov/loc.terms/relators/THS contributors_type: http://www.loc.gov/loc.terms/relators/THS contributors_type: http://www.loc.gov/loc.terms/relators/THS contributors_name: Darhim, - contributors_name: Sufyani Prabawanto, - contributors_name: Jarnawi Afgani Dahlan, - contributors_nidn: NIDN0003035505 contributors_nidn: NIDN0030086002 contributors_nidn: NIDN00111056803 contributors_id: darhim@upi.edu contributors_id: sufyani@upi.edu contributors_id: jarnawi@upi.edu title: PENGEMBANGAN BAHAN AJAR BANGUN RUANG SISI DATAR UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS DAN KEMANDIRIAN BELAJAR SISWA MELALUI PEMBELAJARAN BERBASIS MASALAH BERBANTUAN GEOGEBRA ispublished: pub subjects: L1 subjects: LB subjects: LB1603 divisions: PMat_S3 full_text_status: restricted keywords: bahan ajar, GeoGebra, komunikasi matematis, kemandirian belajar, pembelajaran berbasis masalah teaching materials, GeoGebra, mathematical communication, learning independence, problem-based learning. note: https://scholar.google.com/citations?user=LjBwaqcAAAAJ&hl=id ID SINTA Dosen Pembimbing: Darhim: 6166301 Sufyani Prabawanto: 5995121 Jarnawi Afgani Dahlan: 5974544 abstract: Penelitian ini bertujuan untuk mengembangkan bahan ajar matematika pada materi bangun ruang sisi datar guna meningkatkan kemampuan komunikasi matematis dan kemandirian belajar siswa melalui pembelajaran berbasis masalah berbantuan GeoGebra. Penelitian dilaksanakan di salah satu SMP Negeri di Kota Bengkulu dengan menggunakan metode penelitian dan pengembangan model ADDIE yang meliputi tahap validasi ahli, uji coba terbatas, serta uji kepraktisan dan efektivitas. Hasil validasi menunjukkan bahwa bahan ajar berada dalam kategori sangat valid berdasarkan penilaian dari ahli materi, media, bahasa, pedagogi, dan evaluasi. Uji kepraktisan menunjukkan bahwa bahan ajar sangat praktis dan mudah digunakan dalam kegiatan pembelajaran. Uji efektivitas dilakukan melalui paired sample t-test, yang menghasilkan nilai signifikansi sebesar 0,000 (<0,05), menunjukkan peningkatan yang signifikan dalam kemampuan komunikasi matematis siswa. Nilai N-Gain sebesar 0,77 mengindikasikan efektivitas yang tinggi terhadap hasil belajar. Uji Friedman terhadap angket kemandirian belajar dari pertemuan 1 hingga 7 menghasilkan nilai Chi-Square sebesar 237.996 dengan signifikansi 0,000, yang menunjukkan perbedaan signifikan serta kecenderungan peningkatan positif dalam kemandirian belajar siswa selama proses pembelajaran berlangsung. Dengan demikian, bahan ajar dinyatakan valid, praktis, dan efektif dalam mendukung pembelajaran. This study aims to develop mathematics teaching materials to enhance students’ mathematical communication skills and learning independence through problem-based learning supported by GeoGebra. The research was conducted at a state secondary school in Bengkulu City using the ADDIE development model, which consists of expert validation, limited trials, and tests of practicality and effectiveness. The validation results indicated that the teaching materials are categorised as highly valid, based on assessments by experts in subject content, media, language, pedagogy, and evaluation. The practicality test showed that the materials are highly practical and easy to implement in classroom activities. The effectiveness test, carried out using a paired sample t-test, produced a significance value of 0.000 (<0.05), indicating a significant improvement in students’ mathematical communication abilities. An N-Gain score of 0.77 reflects a high level of effectiveness in improving learning outcomes. The Friedman test applied to the learning independence questionnaire across meetings 1 to 7 yielded a Chi-Square value of 237.996 with a significance level of 0.000, demonstrating significant differences and a positive trend in students’ learning independence throughout the learning process. Therefore, the developed teaching materials are considered valid, practical, and effective in supporting mathematics learning. date: 2025-08-29 date_type: published institution: Universitas Pendidikan Indonesia department: KODEPRODI84002#Pendidikan Matematika_S3 thesis_type: doctoral thesis_name: phd official_url: https://repository.upi.edu/ related_url_url: https://perpustakaan.upi.edu/ related_url_type: org citation: Toni Hidayat, - and Darhim, - and Sufyani Prabawanto, - and Jarnawi Afgani Dahlan, - (2025) PENGEMBANGAN BAHAN AJAR BANGUN RUANG SISI DATAR UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS DAN KEMANDIRIAN BELAJAR SISWA MELALUI PEMBELAJARAN BERBASIS MASALAH BERBANTUAN GEOGEBRA. S3 thesis, Universitas Pendidikan Indonesia. document_url: http://repository.upi.edu/138274/1/D_MTK_2208087_Title.pdf document_url: http://repository.upi.edu/138274/2/D_MTK_2208087_Chapter1.pdf document_url: http://repository.upi.edu/138274/3/D_MTK_2208087_Chapter2.pdf document_url: http://repository.upi.edu/138274/4/D_MTK_2208087_Chapter3.pdf document_url: http://repository.upi.edu/138274/5/D_MTK_2208087_Chapter4.pdf document_url: http://repository.upi.edu/138274/6/D_MTK_2208087_Chapter5.pdf document_url: http://repository.upi.edu/138274/7/D_MTK_2208087_Chapter6.pdf document_url: http://repository.upi.edu/138274/8/D_MTK_2208087_Appendix.pdf