<![CDATA[This development study aimed to determine the validity and practicality of Buku Mari MELUKIS as a learning assessment medium for the topic of viruses in Grade 10 at Insan Cendekia Syech Yusuf Senior High School. The study employed a research and development (R&D) method based on the ADDIE model, which comprises five stages: (1) analysis, (2) design, (3) development, (4) implementation, and (5) evaluation. The participants were 20 Grade 10 students at the school. The research instruments consisted of an interview guide, a validation sheet, and a practicality questionnaire. The media received a validation score of 3.63, placing it in the very valid category. Responses to the practicality questionnaire yielded a score of 83.29%, placing the media in the very practical category. This study provides a learning assessment medium that may support more effective instruction and deeper content understanding through a variety of assessment questions, particularly on the topic of viruses.]]>
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