TY - JOUR T1 - Identifying biased test items by differential item functioning analysis using contingency table approaches a comparative study JF - Education Quarterly A1 - Pedrajita, Jose Q. A2 - Talisayon, Vivien M. LA - English YR - 2009 UL - https://tuklas.up.edu.ph/Record/IPP-00000287731 KW - Item bias KW - Item bias methods KW - Differential item functioning KW - Measure of bias ER -