Psychometric performance of the ultra-short version of the post-traumatic growth inventory in Peruvian adults during the Post-Pandemic: Analysis from Item Response Theory and SEM models. api [Internet]. 2025 Dec. 20 [cited 2026 Apr. 29];1(1):e-3289. Available from: https://revistas.uss.edu.pe/index.php/api/article/view/3289