Rasch Analysis of Item Fit and Differential Functioning of Senior Secondary School Mathematics Test in Rivers State EJIMAJI, F. U.; OBILOR, E. I. & WAGBARA, E. S. EIRA Journal of Arts, Law and Educational Sciences (EIRAJALES) https://doi.org/10.5281/zenodo.23115589 Download PDF Published: Saturday, 3 October 2026 Volume: Volume 2, Issue 5 (2026) Section: Articles Abstract This study