On the Consistency of Q-Matrix Estimation: A Rejoinder
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This rejoinder responds to the commentary by Liu (Psychometrika, 2015) entitled “On the consistency of Q-matrix estimation: A commentary” on the paper “A general method of empirical Q-matrix validation” by de la Torre and Chiu (Psychometrika, 2015). It discusses and addresses three concerns raised in the commentary, namely the estimation accuracy when a provisional Q-matrix is used, the consistency of the Q-matrix estimator, and the computational efficiency of the proposed method.
[1] Chia-Yi Chiu,et al. A General Method of Empirical Q-matrix Validation , 2016, Psychometrika.
[2] Jingchen Liu. On the Consistency of Q-Matrix Estimation: A Commentary , 2017, Psychometrika.