Open AccessDifferential Item Functioning in English Language Test Using Item Response Theory for Ethnic Groups
Author(s) -
Ogbogo Stella,
Ijeoma Opara
Publication year - 2019
Publication title -
journal of economics and sustainable development
Language(s) - English
DOI - 10.7176/jesd/10-6-02
Subject(s) - differential item functioning , test (biology) , ethnic group , item response theory , psychology , chi square test , descriptive statistics , population , statistics , demography , mathematics , psychometrics , developmental psychology , sociology , paleontology , anthropology , biology