[Rasch] Measurement invariance

Bond, Trevor trevor.bond at jcu.edu.au
Fri Jul 20 01:10:49 EST 2012


Anthony,
Common item linking in ch5 show s you how and why.
T

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On 20/07/2012, at 12:40 AM, "Anthony James" <luckyantonio2003 at yahoo.com<mailto:luckyantonio2003 at yahoo.com>> wrote:

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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