title: On the Consistency of Q-Matrix Estimation: A Commentary.
abstract: This commentary concerns the theoretical properties of the estimation procedure in "A General Method of Empirical Q-matrix Validation" by Jimmy de la Torre and Chia-Yi Chiu. It raises the consistency issue of the estimator, proposes some modifications to it, and also makes some conjectures.
authors.affiliation: Department of Statistics, Columbia University, New York, NY, USA. jcliu@stat.columbia.edu.
authors.forename: Jingchen
authors.initials: J
authors.lastname: Liu
mesh_terms: D000465:Algorithms; D003198:Computer Simulation; D006801:Humans; D015233:Models, Statistical; D011594:Psychometrics; D015203:Reproducibility of Results
keywords: Q-matrix; consistency; diagnostic classification models