PENGARUH MODEL PEMBELAJARAN REFLEKTIF
BERBANTUAN LKS TERSTRUKTUR TERHADAP
KEMAMPUAN PENALARAN MATEMATIS SISWA
SMA DIPONEGORO I JAKARTA
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Institusion
Universitas Negeri Jakarta
Author
LU’LUUL JANNAH, .
Subject
Pendidikan
Datestamp
2020-06-12 10:43:50
Abstract :
Kemampuan penalaran matematis merupakan kemampuan untuk menganalisis situasi matematika dan membangun argumen logis. Kemampuan ini penting untuk dimiliki dan dapat dikembangkan melalui pembelajaran matematika. Pembelajaran yang tepat mampu memberikan pengaruh terhadap kemampuan penalaran matematis siswa. Salah satu model pembelajaran yang dapat digunakan adalah model pembelajaran Reflektif Berbantuan LKS Terstruktur. Penelitian ini bertujuan untuk mengetahui apakah terdapat pengaruh model pembelajaran reflektif berbantuan LKS terstruktur terhadap kemampuan penalaran matematis siswa SMA Diponegoro 1 Jakarta. Metode penelitian yang digunakan adalah eksperimen semu dengan desain penelitian Posttest Only Control Group Design. Penelitian ini dilakukan pada siswa kelas XI semester ganjil tahun ajaran 2018/2019 dengan materi Program Linear di SMA Diponegoro 1 Jakarta. Populasi target penelitian ini adalah semua siswa SMA Diponegoro 1 Jakarta, sedangkan populasi terjangkau dari penelitian ini adalah siswa kelas XI SMA Diponegoro 1 Jakarta. Sampel diperoleh dengan teknik purposive sampling dan cluster random sampling. Setelah melakukan beberapa tes sebelum perlakuan dinyatakan bahwa empat kelas XI IPS terdistribusi normal, homogen, dan memiliki kesamaan rata-rata. Melalui teknik sampel ini, kelas XI IPS 4 dipilih sebagai kelas eksperimen dan XI IPS 3 sebagai kelas kontrol. Instrumen penelitian yang digunakan adalah tes kemampuan penalaran matematis yang terdiri dari 3 soal uraian. Berdasarkan data penelitian, kelas eksperimen dan kelas kontrol berasal dari populasi yang berdistribusi normal dan homogen. Pengujian hipotesis menggunakan uji-t dengan tingkat signifikansi 0,05. Berdasarkan hasil perhitungan diperoleh nilai = 4,0496 dan = 1,697 dengan > sehingga ditolak, berarti rata-rata hasil tes kemampuan penalaran matematis siswa kelas eksperimen lebih tinggi daripada kelas kontrol. Dengan demikian, dapat disimpulkan bahwa model pembelajaran reflektif berbantuan LKS terstruktur memengaruhi kemampuan penalaran matematis siswa SMA Diponegoro 1 Jakarta. Efeknya 86% berdasarkan perhitungan dengan ukuran efek Cohen?s. ********* Mathematical reasoning ability is the ability to analyse mathematical situations and construct logical argument. This ability is important to have and can be developed through learning mathematics. Proper learning is able to give effect to students' mathematical reasoning abilities. One of the learning models that can be used to develop mathematical reasoning abilities is the reflective learning model that assists structured student?s worksheet. This study aims to determine whether there is an influence of the reflective learning model that assists structured student?s worksheet on student?s mathematical reasoning abilities in SMA Diponegoro 1 Jakarta. The research method used is quasiexperimental by using the Posttest Only Control Group Design. The study was conducted in class XI student at odd semester of the 2018/2019 school year event with the subject of Linear Program in SMA Diponegoro 1 Jakarta. The target population of this study is all students of SMA Diponegoro 1 Jakarta, while the accessible population of this study are students of class XI SMA Diponegoro 1 Jakarta. Samples were obtained by purposive sampling and cluster random sampling technique. After conducting several tests before treatment it was stated that the four classes of XI IPS were normally distributed, homogeneous, and had similarities in average. Through this sample technique, class XI IPS 4 was chosen as the experimental class and XI IPS 3 as the control class. The research instrument used was in the form of a mathematical reasoning ability test consisting by 3 essay questions. Based on research data, the experimental class and the control class come from populations that are normally distributed and homogeneous. Hypothesis testing uses the t-test with a significance level of 0.05. Based on the results of the calculation of the hypothesis obtained the value of = 4,0496 and = 1,697 with > so that the H0 is rejected, it means that the average students' mathematical reasoning ability test of the experimental class is higher than the control class. Thus, it can be concluded that the reflective learning model that assists structured student?s worksheet affects the abilities of students' mathematical reasoning abilities in SMA Diponegoro 1 Jakarta. The effect is 86% based on calculations with Cohen's effect size.
Kemampuan penalaran matematis merupakan kemampuan untuk menganalisis situasi matematika dan membangun argumen logis. Kemampuan ini penting untuk dimiliki dan dapat dikembangkan melalui pembelajaran matematika. Pembelajaran yang tepat mampu memberikan pengaruh terhadap kemampuan penalaran matematis siswa. Salah satu model pembelajaran yang dapat digunakan adalah model pembelajaran Reflektif Berbantuan LKS Terstruktur. Penelitian ini bertujuan untuk mengetahui apakah terdapat pengaruh model pembelajaran reflektif berbantuan LKS terstruktur terhadap kemampuan penalaran matematis siswa SMA Diponegoro 1 Jakarta. Metode penelitian yang digunakan adalah eksperimen semu dengan desain penelitian Posttest Only Control Group Design. Penelitian ini dilakukan pada siswa kelas XI semester ganjil tahun ajaran 2018/2019 dengan materi Program Linear di SMA Diponegoro 1 Jakarta. Populasi target penelitian ini adalah semua siswa SMA Diponegoro 1 Jakarta, sedangkan populasi terjangkau dari penelitian ini adalah siswa kelas XI SMA Diponegoro 1 Jakarta. Sampel diperoleh dengan teknik purposive sampling dan cluster random sampling. Setelah melakukan beberapa tes sebelum perlakuan dinyatakan bahwa empat kelas XI IPS terdistribusi normal, homogen, dan memiliki kesamaan rata-rata. Melalui teknik sampel ini, kelas XI IPS 4 dipilih sebagai kelas eksperimen dan XI IPS 3 sebagai kelas kontrol. Instrumen penelitian yang digunakan adalah tes kemampuan penalaran matematis yang terdiri dari 3 soal uraian. Berdasarkan data penelitian, kelas eksperimen dan kelas kontrol berasal dari populasi yang berdistribusi normal dan homogen. Pengujian hipotesis menggunakan uji-t dengan tingkat signifikansi 0,05. Berdasarkan hasil perhitungan diperoleh nilai = 4,0496 dan = 1,697 dengan > sehingga ditolak, berarti rata-rata hasil tes kemampuan penalaran matematis siswa kelas eksperimen lebih tinggi daripada kelas kontrol. Dengan demikian, dapat disimpulkan bahwa model pembelajaran reflektif berbantuan LKS terstruktur memengaruhi kemampuan penalaran matematis siswa SMA Diponegoro 1 Jakarta. Efeknya 86% berdasarkan perhitungan dengan ukuran efek Cohen?s. ********* Mathematical reasoning ability is the ability to analyse mathematical situations and construct logical argument. This ability is important to have and can be developed through learning mathematics. Proper learning is able to give effect to students' mathematical reasoning abilities. One of the learning models that can be used to develop mathematical reasoning abilities is the reflective learning model that assists structured student?s worksheet. This study aims to determine whether there is an influence of the reflective learning model that assists structured student?s worksheet on student?s mathematical reasoning abilities in SMA Diponegoro 1 Jakarta. The research method used is quasiexperimental by using the Posttest Only Control Group Design. The study was conducted in class XI student at odd semester of the 2018/2019 school year event with the subject of Linear Program in SMA Diponegoro 1 Jakarta. The target population of this study is all students of SMA Diponegoro 1 Jakarta, while the accessible population of this study are students of class XI SMA Diponegoro 1 Jakarta. Samples were obtained by purposive sampling and cluster random sampling technique. After conducting several tests before treatment it was stated that the four classes of XI IPS were normally distributed, homogeneous, and had similarities in average. Through this sample technique, class XI IPS 4 was chosen as the experimental class and XI IPS 3 as the control class. The research instrument used was in the form of a mathematical reasoning ability test consisting by 3 essay questions. Based on research data, the experimental class and the control class come from populations that are normally distributed and homogeneous. Hypothesis testing uses the t-test with a significance level of 0.05. Based on the results of the calculation of the hypothesis obtained the value of = 4,0496 and = 1,697 with > so that the H0 is rejected, it means that the average students' mathematical reasoning ability test of the experimental class is higher than the control class. Thus, it can be concluded that the reflective learning model that assists structured student?s worksheet affects the abilities of students' mathematical reasoning abilities in SMA Diponegoro 1 Jakarta. The effect is 86% based on calculations with Cohen's effect size.
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