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CN 11-1911/B
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IRT Information Function of Polytomously Scored Items under the Graded Response Model
LUO Zhao-Sheng, OUYANG Xue-Lian, QI Shu-Qing, DAI Hai-Qi,,DING Shu-Liang
Acta Psychologica Sinica . 2008, (
11
): 1212 -1220 .
