<![CDATA[This study aims to develop a science literacy test instrument based on ethnoscience in the biodiversity material for elementary school students. The context used is the Forbidden Forest (Leuweung Gede) of Kampung Adat Kuta, which represents local wisdom values and long-standing efforts in biodiversity conservation. The research method employed is Research and Development (R&D), referring to the development model proposed by Sugiyono. The instrument was developed based on the PISA 2018 scientific literacy framework, which includes three main aspects: context, knowledge (content, procedural, and epistemic), and competencies (explaining scientific phenomena, designing and evaluating scientific inquiry, and interpreting data scientifically). Internal validation results indicate that the instrument falls into the appropriate to highly appropriate category. External trials involving 32 students show that 68% of the items are valid, the instrument has high reliability (α = 0.785), most items are of moderate difficulty (60%), and 48% of the items demonstrate very good discriminating power. These findings suggest that integrating ethnoscience into assessment tools not only enhances the contextual relevance of science learning but also fosters students’ awareness of environmental conservation and local cultural heritage.]]>
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