Metropolis-Hastings Robbins-Monro Algorithm for Confirmatory Item Factor Analysis

Li Cai

Journal of Educational and Behavioral Statistics, 2010, vol. 35, issue 3, 307-335

Abstract: Item factor analysis (IFA), already well established in educational measurement, is increasingly applied to psychological measurement in research settings. However, high-dimensional confirmatory IFA remains a numerical challenge. The current research extends the Metropolis-Hastings Robbins-Monro (MH-RM) algorithm, initially proposed for exploratory IFA, to the case of maximum likelihood estimation under user-defined linear restrictions for confirmatory IFA. MH-RM naturally integrates concepts such as the missing data formulation, data augmentation, the Metropolis algorithm, and stochastic approximation. In a limited simulation study, the accuracy of the MH-RM algorithm is checked against the standard Bock-Aitkin expectation-maximization (EM) algorithm. To demonstrate the efficiency and flexibility of the MH-RM algorithm, it is applied to the IFA of real data from pediatric quality-of-life (QOL) research in comparison with adaptive quadrature-based EM algorithm. The particular data set required a confirmatory item factor model with eight factors and a variety of equality and fixing constraints to implement the hypothesized factor pattern. MH-RM converged in less than 3 minutes to the maximum likelihood solution while the EM algorithm spent well over 4 hourrs.

Keywords: item response theory; stochastic approximation; categorical factor analysis; numerical integration (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:jedbes:v:35:y:2010:i:3:p:307-335

DOI: 10.3102/1076998609353115

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