Arohmatul Khasanah, - and Woro Sumarni, MIPA Pendidikan Kimia (2019) The Effectiveness of Blended Problem-Based Learning for Enhancing Cognitive and Learning Outcomes of Students Critical Thinking Skills on Redox Materials. Jurnal Pengajaran MIPA, 24 (1). pp. 8-16. ISSN 1412-0917

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Abstract

This study aims to determine the effect of the blended problem based learning on cognitive learning outcomes and critical thinking skills in class X MIPA State Senior Highschool 1 Subah. The research method used was an experimental design with a pretest-posttest control group design. The sampling technique used was the cluster random sampling, with class X MIPA 4 as the experimental class and X MIPA 2 as the control class. The analysis technique used is the average difference test, the effect analysis between variables and the determination of the coefficient of determination. The results of the study were obtained by the average value of cognitive learning outcomes and the average score of critical thinking skills. Analysis of influence between variables resulted in a biserial coefficient of 0.23 for cognitive learning outcomes and 0.25 for critical thinking skills. Calculation of the coefficient of determination shows that the application of blended problem-based learning contributes 5.5% to cognitive learning outcomes and 6.5% to critical thinking skills. The results showed that the average value of the experimental class cognitive learning outcomes was 73.71 while the control class was 69.47. The average score of the experimental class critical thinking skills is 29.65 while the control class is 27.88. Based on the results of the study, it can be concluded that the application of blended problem-based learning affects the cognitive learning outcomes and critical thinking skills of class X MIPA State Senior Highschool 1 Subah on redox material.

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