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Risnanosanti Risnanosanti

Universitas Muhammadiyah Bengkulu

Author-ID : 361650

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Veterinary Other

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LESSON STUDY DAN PENINGKATAN PROFESIONALISME GURU DI SMP NEGERI 11 KOTA BENGKULU Risnanosanti, Risnanosanti; Raniwati, D. M.; Syofiana, M; Riwayati, S.
Jurnal Pengabdian Masyarakat Bumi Rafflesia Vol. 1 No. 1 (2018): Jurnal Pengabdian Masyarakat Bumi Raflesia
Publisher : Universitas Muhammadiyah Bengkulu

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Tujuan dari kegiatan peningkatan profesionalisme guru melalui penerapan lesson study ini adalah 1) Semua siswa dapat berpartisipasi secara aktif dalamÂ pembelajaran,Â 2)MeningkatkanÂ kualitasÂ pembelajaran.3)MeningkatkanÂ pengetahuanguruÂ tentangÂ materi pembelajaran. 4)Â MeningkatkanÂ pengetahuanguruÂ tentangÂ prosesÂ pembelajaran.5)Meningkatkan kemampuan guru mengamati aktifitasÂ pembelajaran.6)MenguatkanÂ hubunganÂ koligialitasÂ antarÂ guru 7)Menguatkan hubunganÂ antaraÂ pelaksanaanÂ pembelajaranÂ sehariâ€“hariÂ denganÂ tujuanÂ pembelajaran jangka panjang. 8)Meningkatkan motivasi guru untuk selalu berkembang. MetodeÂ yangÂ digunakanÂ untukÂ mencapaiÂ tujuanÂ diatasÂ adalahÂ tahapÂ plan,Â guru merancang pembelajaran agar siswa dapat belajar dari materi pembelajaran secara aktif.Â TahapÂ doÂ dalamÂ proses pembelajaran,Â dosenÂ lainÂ bertindakÂ sebagaiÂ observerÂ (pengamat)Â pembelajaranÂ dengan perangkatÂ pendukungÂ berupaÂ lembarÂ observasi.TahapÂ See,Â timÂ melakukanÂ diskusiÂ dalam rangkaÂ refleksi.Â Â Kata Kunci : lesson study, profesionalisme

Critical Mathematical Thinking Ability Viewed from The Mathematical Disposition of Junior High School Students Pratama, Andika Dwi; Risnanosanti, Risnanosanti; Ariani, Nyayu Masyita
Journal of Mathematics Instruction, Social Research and Opinion Vol. 5 No. 1 (2026): March
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/misro.v5i1.1144

This study was conducted to examine the problem that students’ mathematical critical thinking skills remain varied and are assumed to be influenced by their mathematical disposition. Therefore, this research aims to describe students’ mathematical critical thinking skills from the perspective of their mathematical disposition. This research employed a qualitative approach with a descriptive design. The subjects were six eighth-grade students from SMP IT Al-Marjan Bengkulu, categorized into high, medium, and low levels of mathematical disposition. Data were collected through a mathematical disposition questionnaire, a mathematical critical thinking skills test, and semi-structured interviews. Data were analyzed through data reduction, data display, and conclusion drawing. The findings indicate that students with high mathematical disposition demonstrate strong performance across all critical thinking indicators, including interpretation, analysis, evaluation, inference, and explanation. Students with medium disposition show adequate ability but lack consistency in drawing conclusions and providing logical justification. Meanwhile, students with low mathematical disposition tend to rely on procedural strategies rather than developing deeper conceptual understanding. These results confirm that mathematical disposition contributes to the quality of students’ critical thinking in mathematics.

Pengembangan Lkpd Berbasis Pembelajaran Berdiferensiasi Untuk Meningkatkan Kemampuan Berpikir Kritis Matematis Natalia Salim, Aisyah; Risnanosanti, Risnanosanti; Jumri, Rahmat; Asmara, Adi; Ariani, Nyayu Masyita
Jurnal Pendidikan Matematika : Judika Education Vol. 9 No. 1 (2026): Jurnal Pendidikan Matematika: Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/j06zbz82

This research aims to improve students' mathematical critical thinking skills through differential learning. This research is an R&D (Research and developmet) development research with the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. This research is limited to Implementation only. This study involved 29 students and 1 mathematics teacher in class VII of SMP Negeri 7 Bengkulu City. The research instruments are in the form of validation sheets and questionnaires on the practicality of students and teachers. The results of the study showed that the LKPD developed obtained a validity Result Level of 84.48% with a valid category. The results of the practicality test obtained a percentage of 87.5% of students with the very practical category. Meanwhile, the results of the practicality test obtained a percentage of 87.8% from teachers in the very practical category. The results of this study show that the development of LKPD based on differentiated learning is feasible for use in learning. Keywords: LKPD, Differentiated Learning, Mathematical Critical Thinking, ADDIE Model

CRITICAL THINKING AND MATHEMATICAL PROBLEM-SOLVING SKILLS USING PROBLEM-BASED AND PROJECT-BASED LEARNING MODELS AMONG EIGHTH-GRADE STUDENTS AT SMP NEGERI 20 REJANG LEBONG Warniati, Warniati; Risnanosanti, Risnanosanti; Hidayat, Tomi
Journal of Research in Social Science and Humanities Vol 6, No 1 (2026): March 2026
Publisher : Utan Kayu Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/jrssh.v6i1.559

This study aims to analyze the differences and effects of problem-based learning, project-based learning, and direct instruction models on students’ critical thinking and mathematical problem-solving abilities. The research employed a quasi-experimental design with a pretest–posttest control group design. The population of the study consisted of all eighth-grade students of SMP Negeri 20 Rejang Lebong in the 2025/2026 academic year, totaling 83 students, and all were used as the sample through a total sampling technique. The research instruments were essay tests measuring critical thinking skills and mathematical problem-solving abilities, which had been tested for validity and reliability. Data analysis was conducted through normality tests, homogeneity tests, and one-way ANOVA with a significance level of 0.05. The results showed that the average posttest score of critical thinking ability in the project-based learning class (86) was higher than that in the problem-based learning class (83) and the direct instruction class (76). In terms of problem-solving ability, the highest average score was obtained by the problem-based learning class (87), followed by the project-based learning class (86) and the direct instruction class (81). The ANOVA test results indicated a significance value of 0.05, demonstrating that there are significant differences and effects among the three learning models on both abilities. It can be concluded that problem-based learning and project-based learning models are more effective than direct instruction in improving students’ critical thinking and mathematical problem-solving abilities

Students' Critical Thinking and Mathematical Problem Solving Skills through the Problem Based Learning (PBL) Model and Guided Inquiry at SMA Negeri 5 Lebong Dahliah, Jeli; Fitriani, Apriza; Risnanosanti, Risnanosanti
Edumaspul: Jurnal Pendidikan Vol 10 No 1 (2026): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

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This study aims to determine whether there are differences and influences on students' critical thinking and mathematical problem-solving abilities through the Problem Based Learning (PBL) and Guided Inquiry models at SMA Negeri 5 Lebong. The population of this study was all grade X students of SMA Negeri 5 Lebong. The sampling technique used cluster random sampling, namely random sampling based on class, so that three sample classes were obtained, each consisting of 33 students, namely class X.1, X.2, and X.5 with a total of 99 students. The type of research used was quasi-experimental. Data collection was carried out using essay tests to measure students' critical thinking and mathematical problem-solving abilities. Data were analyzed using the One Way ANOVA test. The results of the study showed that there were significant differences in students' critical thinking and mathematical problem-solving abilities between classes using the PBL, Guided Inquiry and Conventional Learning models. The Guided Inquiry model was more effective in improving critical thinking abilities and the PBL model showed more effectiveness in improving students' mathematical problem-solving abilities.

Co-Authors Ami Bunga Wulandari Ananda, Wella Anesa fitri Anggraini, Dara Anjas Agus Prasetyo Anjas Prasetiyo Asmara, Adi Asmara, Adi Dahliah, Jeli Destania, Yuriska Ela, Ela Eli Rustinar Fatsiwi Nunik Andari Fitriani, Apriza Fitriyani, Arly Futri, Bunga Tiara Harahap, Mardhatillah Hafidzah Hasdelyati Hasdelyati Irwandi Irwandi Ivan Achmad Nurcholis Iwan Eko Setianto Jahara, Widya Jannah, Fitri Zahrotul Kartika Sari, Ulfa Kashardi, Kashardi Koklu, Onder Mardiah Syofiana Mardiah Syofiana Masri Masri Masri Masri Masyita, Nyayu Mega Sari Apriniarti Melandri, Marco Messy Mayori Mursalin, M Natalia Salim, Aisyah Naziev, Aslanbek Nopriyeni Nopriyeni Novita Sari Nyayu Mashita Ariani Nyayu Masyita Ariani Oktavia, Fina Pratama, Andika Dwi Puput Wilianggi RACHMAT HIDAYAT Rahmat Jumri Rahmat Jumri Raniwati, D. M. Ristontowi, Ristontowi Riwayati , Selvi Riwayati, S. Riwayati, Selvi Rusdi Hasan Salcedo, Audy Saputra, Surya Ade Sari, Dea Julita Selvi Riwayati septia agustina Sigit, Ego Agus Siti Purwanti Suri, Atika Surya Ade Saputera Susyla, Dian Suyuthie, Hasmi Syofiana , Mardiah Syofiana, M Syofiana, Mardiah Tomi Hidayat, Tomi Warniati, Warniati Wati, Rotma Wella Ananda Winanda, Dio Reski Winda Ramadianti Winda Ramadianti Winda Ramadianti, Winda Wulan Angraini Wulandari, Annisa Yudha, Romadhona Kusuma Yuniati, Ira Yusmaniarti

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