1.
Choi SW, Gibbons LE, Crane PK. lordif: An R Package for Detecting Differential Item Functioning Using Iterative Hybrid Ordinal Logistic Regression/Item Response Theory and Monte Carlo Simulations. J. Stat. Soft. [Internet]. 2011 Mar. 9 [cited 2024 Apr. 26];39(8):1-30. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v039i08