[R] DIF

munevver kaya munevver.rock at gmail.com
Tue Dec 9 09:22:30 CET 2014


Hello,
I will analyze polytomous differential item functioning for IRT. I have a
Likert type scale. For example, I want to analyze items in term of gender.
Is lordifsufficient for this or are there any other packages in R
programme?
Best Regards,

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