ABSTRAKPenelitian ini bertujuan untuk menguji pengaruh pembelajaran yang menggunakan model Problem Solving Fisika (PSF) terhadap hasil belajar pada ranah kognitif dan kemampuan pemecahan masalah fisika. Penelitian dilakukan dengan menggunakan dua jenis disain penelitian yang berbeda, yaitu Quasi Experimental Design dengan bentuk Nonequivalent Control Group Design untuk melihat pengaruh model PSF terhadap hasil belajar kognitif dan Pre-Experimental Design dengan bentuk One Group Pretest-Posttest Group Design untuk melihat pengaruh model PSF terhadap kemampuan pemecahan masalah fisika. Sampel diambil menggunakan teknik purposive sampling dengan kelas XI IPA 2 sebagai kelas eksperimen dan kelas XI IPA 3 sebagai kelas kontrol. Analisis pengaruh model PSF terhadap hasil belajar kognitif dilakukan dengan uji-t dan uji lanjut dengan Cohen's d menggunakan Microsoft Excel 2010. Hasil analisis diperoleh bahwa terdapat pengaruh pembelajaran menggunakan model PSF terhadap hasil belajar kognitif siswa yaitu sebesar 0,72 yang berada dalam kategori sedang. Analisis pengaruh model PSF terhadap kemampuan pemecahan masalah fisika dilakukan dengan perhitungan gain yaitu pengurangan rata-rata posttest dengan pretest dan uji lanjut. Berdasarkan hasil perhitungan diperoleh bahwa model PSF memberikan pengaruh terhadap kemampuan pemecahan masalah fisika siswa sebesar 1,80 yang berada dalam kategori kuat. ABSTRACTThis aims of this study was to examine the effect of learning using the Problem Solving Fisika model (PSF) to the learning outcomes in the cognitive domain and physics problem solving skill. The research was conducted using two different types of research designs, namely Quasi Experimental Design with the Nonequivalent Control Group Design form to see the effect of PSF model on cognitive learning outcomes and Pre-Experimental Design with the form of One Group Pretest-Posttest Group Design to see the effect of PSF model on physics problem solving skill. Samples were taken using purposive sampling technique with class XI IPA 2 as experiment class and class XI IPA 3 as control class. Analysis of the effect of PSF model on cognitive learning outcomes was done with ttest and further test with Cohen's d using Microsoft Excel 2010. The result of analysis obtained that there is effect of learning using PSF model to cognitive learning result of student that is 0,72 which is in medium category. Analysis of the effect of PSF model on the skill of physics problem solving done with the gain calculation is the average posttest reduction with pretest and further test. Based on the calculation results obtained that the PSF model gives effect to the student's skill of physics problem solving that is 1,80 which is in the high category.
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