[Rasch] Comparison Rasch 3-parm IRT

Mike Linacre mike at winsteps.com
Sun Sep 15 18:09:48 EST 2013


Thank you for your insights, Svend.

You wrote: "given that items do not fit the Rasch model, you should not 
use Rasch estimates anyway,"

Alternatively: "given that items do not fit the Rasch model, you should 
not use those items anyway,"
because those items do not assist in constructing additive measures on 
the consensus unidimensional latent variable.

Mike L.



More information about the Rasch mailing list