<![CDATA[Probability learning still faces challenges because students tend to focus on procedural solutions rather than constructing conceptual understanding. This study aims to develop PRODISCA (Probability Discovery Learning Berbantuan Canva) designed to facilitate students in discovering and constructing probability concepts. This research employed a RnD method using the Plomp development model consisting of preliminary research, prototyping phase, and assessment phase. Product quality was analyzed through expert validation and student responses, while effectiveness was tested using a quasi-experimental design with a Nonequivalent Pretest-Posttest Control Group. Effectiveness analysis used N-Gain scores and the Welch Independent Samples t-test. The results showed that PRODISCA was highly valid and practical. The experimental class obtained a higher N-Gain score than the control class, with a significant difference in mathematical understanding improvement. PRODISCA can serve as an alternative digital learning media and Discovery Learning activities to support probability conceptual understanding.]]>
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