PENGARUH PEMBELAJARAN MATEMATIKA REALISTIK MENGGUNAKAN MEDIA KUBUS SATUAN UNTUK MENINGKATKAN MATHEMATICAL CONNECTIONS SISWA PADA MATERI STATISTIKA
DOI:
https://doi.org/10.51878/science.v6i3.13499Keywords:
Mathematical Connections, Pembelajaran Matematika Realistik, Kubus Satuan StatistikaAbstract
Mathematical connection ability is an essential competency that enables students to relate mathematical concepts to other mathematical ideas, other disciplines, and real-life situations. However, students' mathematical connection ability in statistics remains low. This condition indicates the need for instructional approaches that connect mathematical concepts with concrete experiences and contextual problems, enabling students to better understand the relationships among concepts and various forms of data representation. One instructional approach that addresses this need is Realistic Mathematics Education (RME), while the use of unit-cube manipulatives helps students visualize data concretely before transforming it into tables, graphs, and other mathematical representations. Nevertheless, studies specifically integrating RME with unit-cube manipulatives in Grade VII statistics remain limited. This study aimed to analyze differences in mathematical connection ability between students who received RME supported by unit-cube manipulatives and those who received conventional instruction. This study employed a quantitative approach using a quasi-experimental nonequivalent control group design. The sample consisted of 44 students divided into an experimental class and a control class. Data were collected using an essay test of mathematical connection ability administered before and after the intervention. The data were analyzed using normality and homogeneity tests, followed by an independent-samples t-test on the posttest scores. The findings revealed that students who learned through RME supported by unit-cube manipulatives demonstrated better mathematical connection ability than those who received conventional instruction. The difference was statistically significant and indicated a strong effect of the instructional approach on students' mathematical connection ability. Therefore, RME supported by unit-cube manipulatives can be considered an alternative instructional approach for enhancing students' mathematical connection ability in learning statistics.
ABSTRAK
Kemampuan Mathematical Connections merupakan kompetensi penting yang membantu siswa menghubungkan konsep-konsep matematika, disiplin ilmu lain, dan situasi kehidupan sehari-hari. Namun, kemampuan Mathematical Connections siswa pada materi statistika masih rendah. Kondisi tersebut menunjukkan perlunya pembelajaran yang dapat mengaitkan konsep matematika dengan pengalaman konkret dan permasalahan kontekstual agar siswa lebih mudah memahami hubungan antarkonsep dan berbagai representasi data. Salah satu pendekatan yang sesuai dengan kebutuhan tersebut adalah Realistic Mathematics Education (RME), sedangkan penggunaan media kubus satuan dapat membantu siswa memvisualisasikan data secara konkret sebelum mengubahnya ke dalam bentuk tabel, diagram, dan representasi matematis lainnya. Meskipun demikian, penelitian yang secara khusus mengintegrasikan RME dengan media kubus satuan pada materi statistika kelas VII masih terbatas. Penelitian ini bertujuan untuk menganalisis perbedaan kemampuan Mathematical Connections antara siswa yang memperoleh pembelajaran RME berbantuan media kubus satuan dan siswa yang memperoleh pembelajaran konvensional. Penelitian ini menggunakan pendekatan kuantitatif dengan desain kuasi-eksperimen tipe nonequivalent control group design. Sampel penelitian terdiri atas 44 siswa yang terbagi ke dalam kelas eksperimen dan kelas kontrol. Data dikumpulkan menggunakan tes uraian kemampuan Mathematical Connections yang diberikan sebelum dan setelah perlakuan. Analisis data dilakukan melalui uji normalitas, uji homogenitas, dan independent-samples t-test terhadap skor posttest. Hasil penelitian menunjukkan bahwa kemampuan Mathematical Connections siswa yang mengikuti pembelajaran RME berbantuan media kubus satuan lebih baik daripada siswa yang mengikuti pembelajaran konvensional. Perbedaan tersebut signifikan dan menunjukkan pengaruh yang kuat dari penerapan RME berbantuan media kubus satuan terhadap kemampuan Mathematical Connections siswa. Dengan demikian, RME berbantuan media kubus satuan dapat digunakan sebagai alternatif pembelajaran untuk menghasilkan kemampuan Mathematical Connections yang lebih baik pada materi statistika.
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