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. Jadara Journal [Internet]. 2025 Aug. 1 [cited 2026 Feb. 8];1(1):1-15. Available from: http://jacgt.jadara.edu.jo/index.php/JACGT/article/view/2