PENGEMBANGAN BAHAN AJAR BILINGUAL MELALUI VISUAL STUDIO CODE UNTUK MENINGKATKAN PENALARAN LOGIS MATEMATIS PESERTA DIDIK

MUTIARA, ANI SABINA (2026) PENGEMBANGAN BAHAN AJAR BILINGUAL MELALUI VISUAL STUDIO CODE UNTUK MENINGKATKAN PENALARAN LOGIS MATEMATIS PESERTA DIDIK. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Tujuan Penelitian pengembangann adalah untuk mengembangkan dan menguji kelayakan, kepraktisan, serta efektivitas bahan ajar bilingual (Bahasa Indonesia dan Bahasa Arab) pada materi Sistem Persamaan Linear Dua Variabel (SPLDV) melalui Visual Studio Code (VS Code) guna meningkatkan penalaran logis matematis peserta didik. Penelitian ini dilatarbelakangi oleh rendahnya kemampuan penalaran logis matematis siswa dan keterbatasan sumber belajar inovatif yang mengintegrasikan aspek bilingual dan teknologi digital. Metode yang digunakan adalah Research and Development (R&D) dengan model ADDIE, dilaksanakan pada peserta didik kelas VIII di Pondok Pesantren Darul Falah dan SMP Islam Nashihuddin Bandar Lampung. Hasil penelitian menunjukkan bahwa bahan ajar yang dikembangkan dinyatakan Sangat Valid/Sangat Layak berdasarkan penilaian ahli (ahli materi 96,88%, ahli media 87,5%, dan ahli bahasa 100%) dan dinilai Menarik (praktis) oleh peserta didik dengan rata rata respons positif di atas 80%. Lebih lanjut, uji efektivitas membuktikan bahwa penggunaan bahan ajar bilingual berbasis Visual Studio Code signifikan dalam meningkatkan penalaran logis matematis, dibuktikan dengan nilai N-gain rata-rata yang berada pada kategori Sedang (Uji Coba Kecil 0,563 dan Uji Coba Besar 0,596). Dengan demikian, dapat disimpulkan bahwa bahan ajar bilingual melalui Visual Studio Code ini layak, praktis, dan efektif digunakan sebagai inovasi pembelajaran untuk meningkatkan kemampuan penalaran logis matematis peserta didik. Kata Kunci: Bahan Ajar Bilingual, Visual Studio Code, Penalaran Logis Matematis, R&D. iii ABSTRACT This research aimed to develop and test the feasibility, practicality, and effectiveness of bilingual teaching materials (Indonesian and Arabic) on the topic of Two-Variable Linear Equation Systems (SPLDV) using Visual Studio Code (VS Code) to enhance students' mathematical logical reasoning. This study was motivated by students' low mathematical logical reasoning abilities and the limited availability of innovative bilingual digital learning resources. The research employed the Research and Development (R&D) method with the ADDIE model, implemented in eighth-grade students at Darul Falah Islamic Boarding School and SMP Islam Nashihuddin Bandar Lampung. The results showed that the developed teaching materials were rated Very Valid/Very Feasible based on expert assessments (material expert 96.88%, media expert 87.5%, and language expert 100%) and were deemed Interesting (practical) by students, with an average positive response rate above 80%. Furthermore, the effectiveness test demonstrated that the use of VS Code-based bilingual teaching materials was significant in improving mathematical logical reasoning. The average N-gain score indicated an improvement categorized as Moderate (Small Group Trial 0.563 and Large Group Trial 0.596). In conclusion, the bilingual teaching materials through Visual Studio Code are valid, practical, and effective to be utilized as a learning innovation to improve students' mathematical logical reasoning abilities. Keywords: Bilingual Teaching Materials, Visual Studio Code, Mathematical Logical Reasoning, R&D.

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