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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Desimal: Jurnal Matematika Edumatica: Jurnal Pendidikan Matematika
Windya, Pelangi Mutia
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Education Mathematics Social Sciences

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Mathematical modeling ability based on students' cognitive style in linear program material Windya, Pelangi Mutia; Noer, Sri Hastuti
Desimal: Jurnal Matematika Vol. 6 No. 2 (2023): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v6i2.17073

Abstract

Modeling abilities and student characteristics are very important in learning mathematics at school. One of the characteristics that must be considered is cognitive style. This study aims to describe the mathematical modeling abilities of students with field independent (FI) and field dependent (FD) cognitive styles in linear programming material. The design of this research is descriptive-qualitative. This study analyzed the mathematical modeling abilities, and then, using a purposive sampling technique, 4 subjects were selected as samples, 2 each for field independent (FI) and field dependent (FD) cognitive style subjects. Data on students' mathematical modeling abilities were obtained through task-based interviews and written tests, while cognitive style data were obtained through the Group Embedded Figure Test (GEFT) written test. The validity of the data was then tested using time triangulation and then analyzed through the stages of data reduction, presentation, and drawing conclusions. So, the results of this study indicate that in modeling problems, students who have a cognitive style of FI tend to be able to fulfill indicators of understanding actual problems, preparing mathematical models from real models, and interpreting mathematical results in real situations. whereas students who have a cognitive style like FD tend to only be able to understand the real problem.
PENGEMBANGAN E-LKPD BERBASIS PROBLEM BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS DAN SELF-CONFIDENCE PESERTA DIDIK Windya, Pelangi Mutia; Noer, Sri Hastuti; Rosidin, Undang
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 14, No 3 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i3.11010

Abstract

Rendahnya kemampuan berpikir kritis dan self-confidence peserta didik, salah satunya disebabkan oleh  kurang tepatnya penerapan media dan model dalam suatu proses pembelajaran. Masalah tersebut menjadi alasan penelitian ini dilakukan, yaitu untuk menghasilkan media ajar berupa E-LKPD berbasis model Problem Based Learning yang terkategori valid, praktis dan efektif untuk meningkatkan kemampuan berpikir kritis dan self-confidence peserta didik. Penelitian dan pengembangan (Research and Development) ini mengikuti langkah-langkah ADDIE, yang dilaksanakan di kelas VII MTs Nurul Islam Airbakoman tahun ajaran 2023/2024 pada materi perbandingan. Penelitian ini menggunakan teknik pengumpulan data berupa wawancara, tes, dan angket, yang kemudian di analisis menggunakan statistik deskriptif dan uji independent sample t-test. Hasil Pengembangan E-LKPD berbasis Problem Based Learning termasuk dalam kriteria valid dan praktis, dengan hasil penilaian ahli materi yakni 94,05%, dan ahli media 93,75%, yang terkategori valid. Selanjutnya, diperoleh hasil skor kepraktisan dari respon peserta didik yakni 90% dan guru 88,75%, sehingga produk dinyatakan praktis. Kemudian, berdasarkan hasil uji hipotesis data posttest diperoleh kesimpulan terdapat peningkatan kemampuan berpikir kritis dan self-confidence peserta didik menggunakan E-LKPD berbasis Problem Based Learning. Didukung dari hasil uji proporsi terdapat 60% peserta didik yang memiliki kemampuan berpikir kritis yang masuk dalam kategori baik. Dari hasil temuan dan analisis data disimpulkan bahwa E-LKPD berbasis Problem Based Learning memenuhi kriteria valid, praktis, dan efektif untuk meningkatkan kemampuan berpikir kritis dan self-confidence peserta didik.
Karakter Disiplin dan Karakter Religius: Pengaruhnya terhadap Kemampuan Numerik Peserta didik Pradana, Kenny Candra; Fatimah, Okis; Rahmawati, Yasinta; Windya, Pelangi Mutia; Erprabowo, Alfian
Edumatica : Jurnal Pendidikan Matematika Vol 13 No 1 (2023): Edumatica: Jurnal Pendidikan Matematika (April 2023)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/edumatica.v13i01.23696

Abstract

Numerical abilities and educational character are very important in learning mathematics at school, some of the student characters that must be considered are disciplinary and religious characters. This study aims to determine the effect of students' disciplinary and religious character on numerical ability. This study uses survey research methods with descriptive research types with survey techniques. The population used in this research is all SMP/MTs/equivalent in North Lampung for the 2020/2021 academic year. The sampling technique used in this study was the cluster random sampling technique, so that MTs Negeri 1 North Lampung and MTs Negeri 2 North Lampung were obtained as samples. Three classes were taken from each school as a sample consisting of representatives from class VII, VIII and IX. The instruments used in this study were a numerical ability test and a disciplinary character questionnaire and a religious character. Data analysis technique using Multiple Linear Regression analysis. Based on the results of the analysis, it was found that the influence of the disciplinary character of the religious character on students' numerical abilities was very strong, amounting to 73.6 percent. The results of the regression equation analysis show Y = 32.586 + 0.286X1 + 0.368X2. This equation shows that every 1 increase in the disciplinary character variable will affect the numerical ability variable by 0.286. Likewise, for the coefficient of the religious character variable, it will affect the numerical ability variable of 32.586.
Co-Authors Erprabowo, Alfian Fatimah, Okis Kenny Candra Pradana Rahmawati, Yasinta Sri Hastuti Noer Undang Rosidin