<![CDATA[This study aims to determine the effect of the implementation of the Problem Based Learning (PBL) model on improving the critical thinking skills of elementary school students. The research method used is Classroom Action Research (CAR) which was implemented in two cycles. The subjects of the study were sixth grade students at SDN 007 Sungai Pinang. The instruments used included observation sheets, critical thinking tests, and reflective journals. The results of the study showed that the implementation of the PBL model was able to improve students' critical thinking skills from cycle I to cycle II. The improvement was shown through the average score of the critical thinking test results and students' active participation in the learning process. Thus, the PBL model is effectively implemented to improve the critical thinking skills of elementary school students.]]>
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