سمير. The Effect of Sample Size on the Accuracy of Item Parameter and Ability Estimation in Polytomous Models Using Item Response Theory: A Simulation Study. Arab Council Journal for the Gifted and Talented, [S. l.], v. 1, n. 1, p. 1–15, 2025. DOI: 10.54161/jacgt.v1i1.2. Disponível em: http://jacgt.jadara.edu.jo/index.php/JACGT/article/view/2. Acesso em: 8 feb. 2026.