<![CDATA[This study aims to describe students' mathematical semiotic representations in solving word problems from the perspective of extrovert and introvert personality types. The study used a descriptive qualitative approach with four junior high school students selected based on the results of the Myers-Briggs Type Indicator (MBTI) questionnaire. Data was obtained through written tests based on word problems and in-depth interviews, then analyzed using Peirce's semiotic components: representamen, object, and interpretant. The results showed that introvert students tended to form systematic and logical semiotic representations, using tables, symbols, and evaluating various possible solutions. In contrast, extrovert students used a more intuitive and narrative approach, focusing on the result without exploring the calculation process or considering alternatives. This difference suggests that personality types of influence students' semiotic representation patterns in solving mathematical problems. These findings can be the basis for developing adaptive learning strategies according to student characteristics]]>
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