Fitting an item response theory model with random item effects across groups by a variational approximation method
2012 ◽
Vol 206
(1)
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pp. 647-662
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2017 ◽
Vol 30
(3)
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pp. 163-177
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2006 ◽
pp. 473-480
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2010 ◽
Vol 5
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pp. 1592-1595
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2011 ◽
Vol 93
(3)
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pp. 213-224
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Keyword(s):