<![CDATA[The low problem solving ability possessed by students is the background of this research. This study aims to test the positive effect of the problem-based learning model on the problem-solving skills of fourth-grade students at State Elementary School Mojoduwur II. This study used the quasi-experimental method and a pretest-posttest control group design. The sample was 50 students determined with cluster random sampling. Data were collected using a problem-solving skill test with 5 post-test questions and 5 pre-test questions. The hypothesis was tested using a t-test. The results showed that there was a positive effect of the use of the problem-based learning model on the student’s problem-solving skills with a significance value of <0.05 so that Ha is accepted. In addition, the results of the study also showed that students in the experimental class experienced a greater average increase when compared to the control class.]]>
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