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Direct Estimation of Diagnostic Classification Model Attribute Mastery Profiles via a Collapsed Gibbs Sampling Algorithm

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Abstract

This paper proposes a novel collapsed Gibbs sampling algorithm that marginalizes model parameters and directly samples latent attribute mastery patterns in diagnostic classification models. This estimation method makes it possible to avoid boundary problems in the estimation of model item parameters by eliminating the need to estimate such parameters. A simulation study showed the collapsed Gibbs sampling algorithm can accurately recover the true attribute mastery status in various conditions. A second simulation showed the collapsed Gibbs sampling algorithm was computationally more efficient than another MCMC sampling algorithm, implemented by JAGS. In an analysis of real data, the collapsed Gibbs sampling algorithm indicated good classification agreement with results from a previous study.

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Acknowledgements

This work was supported by JSPS Grant-in-Aid for JSPS Research Fellow 18J01312 and JSPS KAKANHI 19H00616, 20H01720, and 21H00936

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Correspondence to Kazuhiro Yamaguchi.

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Data analysis syntax is available in Open Science Framework page (https://osf.io/bk75q). We have no conflicts of interest to declare. This work was supported by JSPS Grant-in-Aid for JSPS Research Fellow 18J01312 and JSPS KAKANHI 19H00616, 20H01720, and 21H00936. Jonathan Templin was supported by Grants DRL-1813760 from the National Science Foundation and R305A190079 from the Institute of Education Sciences. .

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Yamaguchi, K., Templin, J. Direct Estimation of Diagnostic Classification Model Attribute Mastery Profiles via a Collapsed Gibbs Sampling Algorithm. Psychometrika 87, 1390–1421 (2022). https://doi.org/10.1007/s11336-022-09857-7

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  • DOI: https://doi.org/10.1007/s11336-022-09857-7

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