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All Journal Journal of Education Technology Mosharafa: Jurnal Pendidikan Matematika Jurnal Pengembangan Pembelajaran Matematika
Toheri
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Computer Science & IT Education Mathematics Other

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Addressing the Challenge of Mathematical Misconceptions: Development of Interactive Multimedia Based on Cognitive Conflict Strategy Winarso, Widodo; Toheri; Tamsik Udin
Journal of Education Technology Vol. 7 No. 3 (2023): August
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jet.v7i3.63037

Abstract

Mathematical misconceptions hinder students' learning and understanding of mathematical concepts. This study aims to analyze the issue of mathematical misconceptions by developing interactive multimedia based on the cognitive conflict strategy. The research design used was research and development with Design-Based Research (DBR), combining qualitative and quantitative data collection techniques. There were fourteen participants in this study including students, teachers, and expert validators, and the research procedure involved the implementation of interactive multimedia interventions. Data collection techniques had pretest and posttest assessments after the intervention, observations, and interviews. The research data were analyzed using the Paired Sample t-Test. The study's findings indicated that the interactive multimedia intervention based on the cognitive conflict strategy effectively reduced students' mathematical misconceptions. The results also demonstrated improved conceptual understanding and increased engagement in the learning process. This research contributes to the field of mathematics education by presenting innovative and practical solutions to address students' misconceptions. The research implications suggest that interactive multimedia based on the cognitive conflict strategy can be used as a pedagogical approach to promote conceptual understanding and reduce mathematical misconceptions.
Development of pjbl-based teaching modules to improve critical and creative thinking skills Yuliana, Ina; Toheri; Sukmaangara, Bayu
Jurnal Pengembangan Pembelajaran Matematika (JPPM) Vol. 7 No. 2 (2025): Jurnal Pengembangan Pembelajaran Matematika: Volume 7 Nomor 2 August 2025
Publisher : Pusat Studi Pengembangan Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jppm.2025.72.163-176

Abstract

This study aims to develop a Project Based Learning (PjBL)-based teaching module to enhance students’ critical and creative thinking skills on the topic of the Pythagorean Theorem. The research employed a Research and Development (R&D) approach using the ADDIE model, which includes analysis, design, development, implementation, and evaluation stages. The module was validated by five experts, resulting a score of 0.71, categorized as very valid. The module was tested on 38 eighth-grade students at SMP Negeri 11 Cirebon. The effectiveness test showed a significant improvement in students’ critical and creative thinking abilities, with N-Gain scores of 0.56 and 0.57 respectively, both categorized as moderately effective. The Wilcoxon test showed a significance value of 0.000 for both skills, indicating a significant difference between pretest and posttest scores. Additionally, student responses to the module were highly positive, with an average score of 85.91%. Based on these results, the developed PjBL-based teaching module is considered feasible and effective for enhancing higher-order thinking skills in mathematics learning.
Keterampilan Guru Matematika Se-Kabupaten Kuningan dalam Pemanfaatan Platform Pembelajaran Online Masa Pandemic Toheri; Kismeina, Aliyah; Persada, Alif Ringga
Mosharafa: Jurnal Pendidikan Matematika Vol. 11 No. 2 (2022): Mei
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v11i2.719

Abstract

Permasalahan yang dihadapi pada masa pandemic COVID-19 mengharuskan pendidik melakukan kegiatan mengajar di rumah. Pendidik dituntut dapat menggunakan dan memanfaatkan teknologi untuk pembelajaran daring. Penilitian dilakukan untuk mengetahui keterampilan guru matematika dalam pemanfaatan platform pembelajaran online dan mengetahui bagaimana kualitas pembelajaran yang dihasilkan. Penelitian ini menggunakan jenis penelitian mixed method yaitu menggabungkan metode kuantitatif dan kualitatif. Populasi dalam penelitian ini terdiri dari 122 guru matematika se-Kabupaten Kuningan dengan jumlah 44 sekolah (9 negeri dan 35 swasta). Peneliti menggunakan teknik Cluster Random Sampling dengan sampel sebanyak 25 guru dari 10 sekolah (5 negeri dan 5 swasta). Hasil penelitian menunjukkan bahwa keterampilan guru dalam konteks TIK masuk dalam kategori “Kurang Baik”. Kualitas pembelajaran cenderung menurun, dan nilai-nilai karakter menurun. Pencapaian siswa pada masa pandemic umumnya belum mencapai nilai KKM yang sudah ditentukan oleh sekolah. Hasil nilai rapor siswa juga cenderung fluktuatif. The problem faced during the pandemic COVID-19 requires that educators perform teaching activities at home. Educators must be able to use and utilize technology for online learning. This study aims to determine the skills of mathematics teachers in the use of learning platforms online; to find out how the quality of the resulting learning. This research uses research, mixed method which combine quantitative and qualitative methods. The population in this study consisted of 122 mathematics teachers throughout Kuningan Regency with a total of 44 schools (9 public and 35 private). Researchers used the technique Cluster Random Sampling with a sample of 25 teachers from 10 schools (5 public and 5 private). The results of the study indicate that the skills of teachers in the context of ICT are included in the "Not Good". The quality of learning tends to decrease, and character values decline, besides that, many student achievements during the pandemic have not reached the KKM value that has been determined by the school, and fluctuating student report card scores are also shown.
Co-Authors Alif Ringga Persada, Alif Ringga Bayu Sukmaangara Kismeina, Aliyah Tamsik Udin Winarso D. Widodo Yuliana, Ina