Wulandari, Pratiwi and Fadiawati, Noor and Diawati, Chansyanah (2019) Peningkatan Keterampilan Berpikir Kritis Siswa SMA Menggunakan Model Pembelajaran Berbasis Masalah Pencemaran oleh Limbah Cair Tahu. Jurnal Pendidikan dan Pembelajaran Kimia, 8 (2). pp. 387-401. ISSN ISSN: 2302-1772

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Abstract

The purpose of this study described the effectiveness pollution by tofu liquid waste problem-based learning model to improve students’ critical thinking skills. The method used was quasi experiment with the matching only pretest-posttest control group design. The population on this study was all of students in grade XI MIA one of Senior High School in Bandar Lampung. The Samples of this research were XI MIA 8 as experiment and XI MIA 5 as control class, that obtained by purposive sampling technique. Data analysis techniques used parametric statistic with t-test and n-gain calculation. The results showed that the posttest average value in the experiment class (73.33) was higher than the posttest average value in the control class (55.2) and the average n-gain of experiment class in medium category. Therefore, it is concluded that the implementation of pollution by tofu liquid waste problem-based learning model was effective in improving the students’ critical thinking skills. Keywords: problem-based learning, pollution of tofu liquid waste, critical thinking skills.

Item Type: Article
Subjects: L Education > LB Theory and practice of education > LB1603 Secondary Education. High schools
Divisions: Fakultas Keguruan dan Ilmu Pendidikan (FKIP) > Prodi Pendidikan Kimia
Depositing User: Dr., M.Si. Noor Fadiawati
Date Deposited: 17 Feb 2020 03:41
Last Modified: 17 Feb 2020 03:41
URI: http://repository.lppm.unila.ac.id/id/eprint/17249

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