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Kino, Mary M.; And Others – 1995
Item response theory (IRT) has been used extensively to study differential item functioning (dif) and to identify potentially biased items. The use of IRT for diagnostic purposes is less prevalent and has received comparatively less attention. This study addressed differential objective function (dof) to identify potentially biased content units.…
Descriptors: Ability, Analysis of Variance, Demography, Difficulty Level