<![CDATA[The lack of teaching modules designed to develop critical thinking skills has become a major obstacle to improving education quality in Indonesia. This study aims to produce a sound wave teaching module using the STEM-PBL approach, which will be assessed in terms of its validity and practicality. This development study uses the ADDIE model involving 32 eleventh-grade students of class XI 2 at SMAN 4 Banjarmasin as trial subjects. Data were collected through teaching module validation sheets and module implementation observation sheets. Data were analyzed both qualitatively and quantitatively in a descriptive manner. Quantitative data were analyzed using average scores and then described qualitatively based on established categorization criteria. Expert and practitioner validation yielded average validity and reliability scores of 3.69 and 0.98, categorized as very valid and highly reliable. Additionally, observations of module implementation classified it as very practical. Therefore, the developed STEM-PBL module is considered feasible for physics learning.]]>
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