Wright, Benjamin D.2011-05-102011-05-101988Wright, Benjamin. (1988). The efficacy of unconditional maximum likelihood bias correction: Comment on Jansen, Van den Wollenberg, and Wierda. Applied Psychological Measurement, 12, 315-318. doi:10.1177/014662168801200309doi:10.1177/014662168801200309https://hdl.handle.net/11299/104307Index terms: Item response theory, item parameter estimation; Item response theory, one-parameter logistic model; Maximum likelihood estimation, conditional; Maximum likelihood estimation, unconditional; Minimum chi-square estimation; One-parameter logistic model; Rasch model.enArticle