[Rasch] Why Rasch?

Anthony James luckyantonio2003 at yahoo.com
Tue Nov 8 22:05:53 EST 2011


Thank you Andrew for your reply. It's very helpful. 
The reason why I chose Rasch model was the nice map that Wolf & Smith (2007) have established between its different analyses and Messick's validation framework. Can this be considered a reason?
BTW, I did not understand what you ment by "the ability to report results on qualitatively described scales or the identification of levels of the variable".
 
Cheers
Anthony
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