<![CDATA[Problem-Based Learning (PBL) model for the third grade students of SD Negeri 59 Lubuklinggau. The validity, practicality, and effectiveness of the stop motion video media based on the PBL model for the third grade students of SD Negeri 59 Lubuklinggau are tested. This research is a Research and Development study using the ADDIE development model. The subjects were third grade students of SD Negeri 59 Lubuklinggau. Data collection techniques used were observation, interviews, questionnaires, and tests. Based on the validity analysis of the stop motion video media based on the PBL model of the material "different is beautiful" using Aiken's V, the assessment from the language validator was 0.96, the material validator was 0.92, and the media validator was 0.81. Analysis of the teacher and student practicality assessment sheets showed that the stop motion video media based on the PBL model of the material "different is beautiful" met the criteria of very practical with an average score of 92.66%. Then the analysis of the effectiveness assessment obtained an average N-Gain score of 0.70 with a high category. Based on the results of the study, it can be concluded that the stop motion video media based on the PBL model of the material "different is beautiful" has proven valid, practical, and effective so that it is suitable for use in the material "different is beautiful" class III of SD Negeri 59 Lubuklinggau.]]>
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