ANALYSIS OF GENDER AND ETHNICITY-BASED DIFFERENTIAL ITEM FUNCTIONING IN WEST AFRICAN SENIOR SCHOOL CERTIFICATE MATHEMATICS EXAMINATION
ABSTRACT The purpose of this study was to analyze gender and ethnicity-based differential item functioning in West African Senior School Certificate Mathematics examination. The study adopted instrumentation design. The area of study was composed of three states, namely Katsina, Imo and Oyo. The population was made up of all senior secondary school three students of 2012/2013 academic session in the three states totaling 128,779. Multistage sampling technique was used to ...
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