KOMPARASI PENINGKATAN PEMAHAMAN KONSEP KIMIA DAN KETERAMPILAN BERFIKIR KRITIS SISWA ANTARA YANG DIBELAJARKAN DENGAN MODEL PEMBELAJARAN PROJECT BASED LEARNING DAN DISCOVERY LEARNING
Abstract
Penelitian ini bertujuan untuk menganalisis: 1) perbedaan peningkatan pemahaman konsep dan keterampilan berpikir kritis siswa antara kelompok siswa yang dibelajarkan dengan model pembelajaran PjBL dan DL, 2) perbedaan peningkatan pemahaman konsep kimia antara kelompok siswa yang dibelajarkan dengan PjBL dan DL, 3) perbedaan peningkatan keterampilan berfikir kritis siswa antara kelompok siswa yang dibelajarkan dengan PjBL dan DL. Penelitian ini dilakukan di SMA Negeri 1 Susut tahun pelajaran 2014/2015. Rancangan penelitian ini menggunakan pretest-postest non equivalent control group design dengan populasi siswa kelas X yang berjumlah 144 yang terdistribusi dalam 4 kelas. Pemilihan sampel menggunakan teknik simple random sampling. Dari 4 kelas yang sudah setara akan dirandom untuk menentukan 2 kelas sebagai sampel penelitian, yakni 1 kelas akan memeproleh pembelajaran Model PjBL dan 1 kelas lagi akan memperoleh pembelajaran Model DL. Data dikumpulkan dengan tes pemahaman konsep kimia dan tes keterampilan berfikir kritis. Data dianalisis dengan statistic deskriptif dan inferensial menggunakan multivariate analysis of variance (MANOVA). Hasil penelitian menunjukkan bahwa : 1) terdapat perbedaan peningkatan pemahaman konsep dan berfikir kritis siswa yang signifikan antara yang dibelajarkan dengan model pembelajaran PjBL dan DL (Fhitung= 8.991), 2) terdapat perbedaan peningkatan pemahaman konsep kimia yang signifikan antara kelompok siswa yang dibelajarkan dengan PjBL dan DL (Fhitung= 7.262 ), 3) terdapat perbedaan peningkatan keterampilan berfikir kritis siswa yang signifikan antara kelompok siswa yang dibelajarkan dengan PjBL dan DL (Fhitung=16.603). Hasil penelitian ini menunjukkan bahwa peningkatan pemahaman konsep dan berfikir ktitis siswa dengan model PjBL relative lebih tinggi dibandingkan dengan model DL
Kata Kunci : Project based learning (PjBL), discovery learning(DL), pemahaman konsep kimia, keterampilan berpikir kritis
This research aims at analyzing: (1) the difference in improvement of concept understanding and critical thinking skill between students which were taught by PjBL and those taught by using DL, (2) the difference in improvement of chemical concept understanding between students which were taught by PjBL and those taught by using DL, (3) the difference in improvement of critical thinking skill between students which were taught by PjBL and those taught by using DL. This study was conducted in SMA Negeri 1 Susut in academic year 2014/2015. The research design is pretest-postest non equivalent control group design and the population is 144 tenth grade students which distributed into 4 classes by using simple random sampling technique, then 2 classes would be randomly selected as sample of this research; 1 class were treated by PjBL learning model and 1 other class were treated by DL learning model. Data were collected by chemical concept understanding and critical thinking skill tests, which then analyzed by inferential and descriptive statistics using multivariate analysis of variance (MANOVA). The research discovers: 1) there is significant differences in improvement of concept understanding and critical thinking skill between students who were taught by PjBL and DL (Fcount = 8.991), 2) there is significant differences in improvement of chemical concept understanding between students who were taught by PjBL and DL (Fcount = 7.262), 3) there is significant differences in improvement of critical thinking skill between students who were taught by PjBL and DL (Fcount = 16.603). The result of this study shows that the improvement of concept understanding and critical thinking skill treated by using PjBL is higher than DL model
keyword : project based learning (PjBL), discovery learning (DL), chemical concept understanding, critical thinking skill
Kata Kunci : Project based learning (PjBL), discovery learning(DL), pemahaman konsep kimia, keterampilan berpikir kritis
This research aims at analyzing: (1) the difference in improvement of concept understanding and critical thinking skill between students which were taught by PjBL and those taught by using DL, (2) the difference in improvement of chemical concept understanding between students which were taught by PjBL and those taught by using DL, (3) the difference in improvement of critical thinking skill between students which were taught by PjBL and those taught by using DL. This study was conducted in SMA Negeri 1 Susut in academic year 2014/2015. The research design is pretest-postest non equivalent control group design and the population is 144 tenth grade students which distributed into 4 classes by using simple random sampling technique, then 2 classes would be randomly selected as sample of this research; 1 class were treated by PjBL learning model and 1 other class were treated by DL learning model. Data were collected by chemical concept understanding and critical thinking skill tests, which then analyzed by inferential and descriptive statistics using multivariate analysis of variance (MANOVA). The research discovers: 1) there is significant differences in improvement of concept understanding and critical thinking skill between students who were taught by PjBL and DL (Fcount = 8.991), 2) there is significant differences in improvement of chemical concept understanding between students who were taught by PjBL and DL (Fcount = 7.262), 3) there is significant differences in improvement of critical thinking skill between students who were taught by PjBL and DL (Fcount = 16.603). The result of this study shows that the improvement of concept understanding and critical thinking skill treated by using PjBL is higher than DL model
keyword : project based learning (PjBL), discovery learning (DL), chemical concept understanding, critical thinking skill
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