Mathematical critical thinking is a fundamental competency required to navigate complex problem-solving in the 21st century. However, empirical observations indicate that students often struggle with analytical reasoning, a deficiency potentially influenced by non-cognitive factors such as Adversity Quotient (AQ). This study aims to analyze the mathematical critical thinking profiles of Grade XII students in Garut Regency, West Java, Indonesia, based on their AQ levels. This research employs a qualitative descriptive design. The subjects were selected via purposive sampling and categorized into three distinct groups based on Stoltz’s framework: Quitters, Campers, and Climbers. Ten students were selected from each AQ category.Data were collected through AQ questionnaires, mathematical critical thinking tests, and semi-structured interviews. Data validity was established using time triangulation, followed by data reduction, display, and verification for analysis. The findings reveal a hierarchical consistency between AQ levels and critical thinking ability. Students in the Quitter group were limited to elementary clarification; Campers demonstrated intermediate capabilities but struggled with advanced evaluation; while Climbersmastered all written indicators but faced challenges in verbally articulating their mathematical reasoning.
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