Erratum to: Fitting an item response theory model with random item effects across groups by a variational approximation

The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305D110027 to Educational Testing Service. The opinions expressed are those of the authors and do not represent views of Educational Testing Service, the Institute of Education Sciences, or the U.S. Department of Education.

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Educational Testing Service, Rosedale Road, Princeton, NJ, 08541, USA
Frank Rijmen
Graduate School of Education, UC Berkeley, Berkeley, CA, USA
Minjeong Jeon

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Frank Rijmen
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Minjeong Jeon
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Correspondence to Frank Rijmen.

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The online version of the original article can be found under doi:10.1007/s10479-012-1181-7.

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Rijmen, F., Jeon, M. Erratum to: Fitting an item response theory model with random item effects across groups by a variational approximation. Ann Oper Res 206, 663 (2013). https://doi.org/10.1007/s10479-013-1399-z

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Published: 23 May 2013
Issue Date: July 2013
DOI: https://doi.org/10.1007/s10479-013-1399-z

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Erratum to: Fitting an item response theory model with random item effects across groups by a variational approximation

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