%0 Journal Article %T Detection of Differential Item Functioning in the Graded Response Model %A Cohen, Allan S. %A Kim, Seock-Ho %A Baker, Frank B. %J Applied Psychological Measurement %V 17 %N 4 %P 335-350 %@ 0146-6216 %D 1993-12-01 %I Sage Publications %~ DeepDyve