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Psychometrika|April 7, 2025
Consistency Theory of General Nonparametric Classification Methods in Cognitive DiagnosisChengyu Cui, Yanlong Liu, Gongjun XuPsychometrika|March 1, 2024
Variational Estimation for Multidimensional Generalized Partial Credit ModelChengyu Cui, Chun Wang, Gongjun XuPsychometrika|February 25, 2026
Variational Estimation for Multidimensional Generalized Partial Credit ModelChengyu Cui, Chun Wang, Gongjun XuPsychometrika|March 7, 2022
Identifiability of Latent Class Models with CovariatesJing Ouyang, Gongjun XuThe British Journal of Mathematical and Statistical Psychology|April 16, 2015
A mixture hierarchical model for response times and response accuracyChun Wang, Gongjun XuPsychometrika|July 10, 2015
Identifiability of Diagnostic Classification ModelsGongjun Xu, Stephanie ZhangPsychometrika|June 1, 2022
A Mixed Stochastic Approximation EM (MSAEM) Algorithm for the Estimation of the Four-Parameter Normal Ogive ModelXiangbin Meng, Gongjun XuPsychometrika|May 6, 2018
The Sufficient and Necessary Condition for the Identifiability and Estimability of the DINA ModelYuqi Gu, Gongjun XuJournal of the American Statistical Association|May 8, 2023
A Joint MLE Approach to Large-Scale Structured Latent Attribute AnalysisYuqi Gu, Gongjun XuPsychometrika|March 22, 2024
Sufficient and Necessary Conditions for the Identifiability of DINA Models with Polytomous ResponsesMengqi Lin, Gongjun XuPageof 33