Students critical thinking skills cannot develop appropriately if in the learningprocess, the teacher is not active. Therefore, to improve students' critical thinking skills, ateacher should choose and use strategies, approaches, and methods techniques that involvestudents actively in learning, both in manner mental, physical, and social. One alternativelearning that provides opportunities for students to develop students' critical thinking skills inproblem solving is problem-based learning. This research was a research study literatureexamining related journal application of problem-based learning to improve critical thinkingskills. The findings of this study included: (1) the implementation of PBL has the potential tohelp students motivate and provide learning experiences; and (2) PBL implementation is veryuseful in improving students' critical thinking skills, provided that teachers and students canapply each stage of PBL well.
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