2026-05-23T21:47:24Z https://jpmipa.fkip.unila.ac.id/index.php/jpmipa/oai

oai:ojs.jpmipa.fkip.unila.ac.id:article/441 2025-05-04T08:54:09Z jpmipa:ART

Pengaruh LKS Berbasis Problem Solving untuk Meningkatkan Keterampilan Berpikir Kritis Siswa Sari, Eka Novita Rudibyani, Ratu Betta Sofya, Emmawaty The Effect of Problem Solving Based Worksheet to Improve Students Critical Thinking Skill. This research aims to describe the effect of using problem solving based worksheet to improve students critical thinking skills. The research design used is non equivalence pretest-posttest control group design. The sample of this research were students in class X MIPA 2 as control class and X MIPA 3 as experiment class, which were selected by cluster random sampling. The research data consisting of the values of pretest, posttest and n-Gain. The effect of worksheet to improve students critical thinking skill is calculated using the effect test formula. The results of data analysis and calculations show that worksheets applied to the experimental class have a greater effect than the control class. Therefor, it can be concluded that problem solving based worksheet has been taken effect to improve students critical thinking skills.Keyword: problem solving based student worksheet, critical thinking, electrolyte and non-elektrolyte solution. DOI: http://dx.doi.org/10.23960/jpmipa/v19i2.pp75-86 FKIP Universitas Lampung 2018-12-02 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://jpmipa.fkip.unila.ac.id/index.php/jpmipa/article/view/441 Jurnal Pendidikan MIPA; Vol 19, No 2 (2018): Jurnal Pendidikan MIPA; 75-86 2685-5488 1411-2531 eng https://jpmipa.fkip.unila.ac.id/index.php/jpmipa/article/view/441/332 Copyright (c) 2018 Eka Novita Sari, Ratu Betta Rudibyani, Emmawaty Sofya https://creativecommons.org/licenses/by-sa/4.0