<![CDATA[This study aimed to determine the effect of the Problem-Based Learning (PBL) model assisted by audio-visual media on the Science and Social Studies (IPAS) learning outcomes of students. The study employed a quantitative approach using a pre-experimental method with a One-Group Pretest-Posttest Design. The subjects were 27 fifth-grade students in Class V-A at UPT SD Negeri 065011 Medan Selayang during the 2025/2026 academic year, selected using purposive sampling. Data were collected through observations, tests (pretest and posttest), questionnaires, and documentation. Data were analyzed using descriptive and inferential statistical techniques, including the Liliefors normality test and paired-samples t-test. The results showed that the implementation of PBL assisted by audio-visual media improved students’ IPAS learning outcomes. The mean pretest score increased from 65.48 to 83.40 on the posttest, while the percentage of learning mastery increased from 37.04% to 92.59%. Hypothesis testing yielded a calculated t-value of 7.97, greater than the critical t-value of 2.060, with a significance value of 0.000 < 0.05. Therefore, PBL assisted by audio-visual media had a positive and significant effect on students’ IPAS learning outcomes and can serve as an effective alternative instructional approach in elementary education.]]>
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