ARC Laboratory Sharing: Confirming testlet effects

Kuan Yu's readings and review

Confirming testlet effects

◄ On the relationship between differential item functioning and item difficulty
Formalizing dimension and response violations of local independence in the unidimensional Rasch model ►

As the attachment.

comment_20121222.doc

◄ On the relationship between differential item functioning and item difficulty
Formalizing dimension and response violations of local independence in the unidimensional Rasch model ►