[Rasch] Measurement invariance

Anthony James luckyantonio2003 at yahoo.com
Fri Jul 20 00:39:40 EST 2012


Hi Trevor,
All items should qualify to be considered as equivalent since one scale is the exact translation of the other. 
Do you mean I should combine data sets and then run DIF with one langauge group as focal and the other as reference?
 
Thanks
Anthony
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