[Rasch] MIRT and IRT

Fabio La Porta fabiolaporta at mail.com
Fri Jul 13 23:32:53 EST 2012


Hi Mohamad,
are you sure that multidimensionality is an assumption of IRT models?

Actually IRT models and the Rasch models do 
assume that data are unidimensional and locally independent.

Regards
Fabio

Inviato da iPhone

Il giorno 13/lug/2012, alle ore 16:02, Mohamad Imanian <mohamad_imanian at yahoo.com> ha scritto:

> Dear IRT Professionals, 
> 
> IRT is multidimensional per se. What is MIRT then? Multidimensional Item Response Theory???? The professionals familiar with the topic, please clarify the difference between the two and if possible help with the links to good online references. 
> 
> Best Wishes 
> Mohamad Imanian 
> Kashmar Payameh Noor University 
> 00989126938148
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