TY - RPRT TI - Differential item functioning analysis with ordinal logistic regression techniques. DIFdetect and difwithpar. AU - Paul K Crane AU - Laura E Gibbons AU - Lance Jolley AU - Gerald van Belle PY - 2006 DO - 10.1097/01.mlr.0000245183.28384.ed UR - https://pubmed.ncbi.nlm.nih.gov/17060818/ ID - 17060818 ER -