Dr. Habis Saad Al-zboon; Dr. Mo’en Salman Alnasraween; Dr. Taha Oklah Alkursheh. The Effect of the Percentage of Missing Data on Estimating the Standard Error of the Items’ Parameters and the Test Information Function According to the Three-Parameter Logistic Model in the Item Response Theory. Elementary Education Online 2023, 20, 887-898.