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Using EM Algorithm for Finite Mixtures and Reformed Supplemented EM for MIRT Calibration

Chen, P; Wang, C

Chen, P (corresponding author), Beijing Normal Univ, Collaborat Innovat Ctr Assessment Basic Educ Qual, 19 Xin Jie Kou Wai St, Beijing 100875, Peoples R China.

PSYCHOMETRIKA, 2021; 86 (1): 299

Abstract

This study revisits the parameter estimation issues in multidimensional item response theory more thoroughly and investigates some computation details......

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