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CN 11-1911/B
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An improved method for differential item functioning detection in cognitive diagnosis models: An application of Wald statistic based on observed information matrix
LIU Yanlou; XIN Tao; LI Lingqing; TIAN Wei; LIU Xiaoxiao
Acta Psychologica Sinica . 2016, (
5
): 588 -598 . DOI: 10.3724/SP.J.1041.2016.00588