DETECTION OF DIFFERENTIAL ITEM FUNCTIONING IN THE GRADED RESPONSE MODEL

被引:70
作者
COHEN, AS
KIM, SH
BAKER, FB
机构
关键词
DIFFERENTIAL ITEM FUNCTIONING; GRADED RESPONSE MODEL; ITEM RESPONSE THEORY;
D O I
10.1177/014662169301700402
中图分类号
O1 [数学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 0701 ; 070101 ;
摘要
Methods for detecting differential item functioning (DIF) have been proposed primarily for the item response theory dichotomous response model. Three measures Of DIF for the dichotomous response model are extended to include Samejima's graded response model: two measures based on area differences between item true score functions, and a chi2 statistic for comparing differences in item parameters. An illustrative example is presented.
引用
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页码:335 / 350
页数:16
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