Summary: Research related to the detection of item bias or differential item functioning (dif) has proliferated in psychometric and applied psychological literature over the last 25 years. In fact, debate has been heated on the nature and, more ...
Summary We conducted a computer simulation study to determine the effect of using an iterative or noniterative multinomial logistic regression analysis (MLR) to detect differential item functioning (DIF) in polytomous items. A simple iteration in which ...
Statistical techniques based on logistic regression (LR) are adequate for the detection of differential item functioning (DIF) in dichotomous items. Nevertheless, they return more false positives (FPs) than do other DIF detection techniques. This paper ...