Al-Harbi AN, Al-Madani FR. Detection of the effect of the Percentage of Items with DIF on the strength and efficacy of the singular characteristic curve test in the three-parameter model. JEPS [Internet]. 2021 Apr. 28 [cited 2025 Dec. 21];5(14):62-46. Available from: https://www.ajsrp.ojsexpert.com/index.php/jeps/article/view/3534