PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA GEOGEBRA TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA

Sihombing, Juwita (2024) PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA GEOGEBRA TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA. S1 thesis, Universitas Kristen Indonesia.

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Abstract

Penelitian ini bertujuan untuk: (1) Mengetahui ada tidaknya perbedaan yang signifikan kemampuan pemecahan masalah matematis antara peserta didik yang mengikuti pembelajaran model Problem Based Learning (PBL) berbantuan Geogebra dengan peserta didik yang mengikuti pembelajaran model Konvensional-Ekspositori. (2) Mengetahui ada tidaknya perbedaan peningkatan kemampuan pemecahan masalah matematis antara peserta didik yang mengikuti pembelajaran model Problem Based Learning (PBL) berbantuan Geogebra dengan peserta didik yang mengikuti pembelajaran model Konvensional-Ekspositori. Dalam penelitian ini dengan tipe desain The Nonequivalent Pretest-Posttest Control Group Design. Populasi penelitian ialah seluruh peserta didik kelas VIII SMP Negeri 80 Jakarta dengan sampel dua kelas yaitu kelas VIII-E (Kelas Eksperimen) dan VIII-F (Kelas Kontrol). Pengumpulan data menggunakan tes uraian kemampuan pemecahan masalah mengenai garis dan sudut. Analisis uji hipotesis diperoleh berdasarkan data posttest dan N-Gain. Hasil penelitian menunjukkan terdapat perbedaan rata-rata yang signifikan kemampuan pemecahan masalah matematis peserta didik yang mengikuti pembelajaran model pembelajaran Problem Based Learning berbantuan Geogebra dengan peserta didik yang mengikuti pembelajaran model Konvensional-Ekspositori. Selain itu, adanya perbedaan peningkatan kemampuan pemecahan masalah matematis peserta didik yang mengikuti pembelajaran model pembelajaran Problem Based Learning berbantuan Geogebra dimana sebesar 0,3716 pada kategori sedang dengan peserta didik yang mengikuti pembelajaran model Konvensional-Ekspositori sebesar 0,2036 pada kategori rendah./ This research aims to: (1) Determine whether there is a significant difference in mathematical problem-solving abilities between students who undergo Problem Based Learning (PBL) assisted by Geogebra and students who undergo Conventional-Expository learning. (2) Determine whether there is a significant difference in the improvement of mathematical problem-solving abilities between students who undergo Problem Based Learning (PBL) assisted by Geogebra and students who undergo Conventional-Expository learning. The research employs a The Nonequivalent Pretest-Posttest Control Group Design. The population comprises all eighth-grade students of SMP Negeri 80 Jakarta, with a sample of two classes: VIII-E (Experimental Class) and VIII-F (Control Class). Data collection utilizes a problem-solving ability test on lines and angles. Hypothesis testing analysis is based on posttest data and N-Gain. The research findings indicate a significant average difference in the mathematical problem-solving abilities of students who underwent Problem Based Learning assisted by Geogebra compared to those who underwent Conventional-Expository learning. Additionally, there is a difference in the improvement of mathematical problem-solving abilities among students who underwent Problem Based Learning assisted by Geogebra, showing an improvement of 0.3716 in the moderate category, compared to 0.2036 in the low category for students who underwent Conventional-Expository learning.

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