Differential item functioning procedures for polytomous items when examinee sample sizes are small
As part of test score validity, differential item functioning (DIF) is a quantitative characteristic used to evaluate potential item bias. In applications where a small number of examinees take a test, statistical power of DIF detection methods may be affected. Researchers have proposed modification...
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| Language: | English |
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University of Iowa
2011
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| Online Access: | https://ir.uiowa.edu/etd/1110 https://ir.uiowa.edu/cgi/viewcontent.cgi?article=2494&context=etd |