Influence of Cognitive Flexibility on the Problem-Solving Ability of Design Majors in Private Undergraduate Institutions in Shaanxi, China: Critical Thinking as a Mediating Variable. IJARPED [Internet]. 2026 Mar. 24 [cited 2026 Apr. 4];15(1):1781-97. Available from: https://www.ijarped.com/index.php/journal/article/view/4234