Abstract:

The PjBL Plus 4Cs is an alternative learning model for geography. The PjBL Plus 4Cs can teach, train, and improve critical thinking skills. The research aimed to find out the effect of the PjBL plus 4C learning model on critical thinking skills. The research used a quasi-experimental design with a pretest-posttest nonequivalent control group approach. Students of Class XI IPS-1 and XI IPS-2 in Islamic Senior High School of Sabilillah Malang were the subjects of this research. Critical thinking skills were measured using validated critical thinking instruments in 7 essay tests, including the competencies of analyzing and formulating problems, giving logical arguments, conducting deductive reasoning (C4), synthesizing/conducting inductive reasoning (C5) and evaluating (C6). Based on the T-test analysis, the significance value (2-tailed) was obtained 0.01 (< 0.05), indicated a significant effect of PjBL Plus 4Cs on critical thinking skills. Therefore, the PjBL plus 4Cs learning model can increase critical thinking skills.

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