[Rasch] MIRT and IRT

Mohamad Imanian mohamad_imanian at yahoo.com
Fri Jul 13 23:58:58 EST 2012

Dear Fabio, 
Maybe that is why I am confused. I searched the internet and it seems there is even a book on this topic: 
And alot of other links using the title of Multidimensiional Item Response Theory.
Thank you for the response 
Mohamad Imanian 

> From: Fabio La Porta <fabiolaporta at mail.com>
>To: "rasch at acer.edu.au" <rasch at acer.edu.au> 
>Sent: Friday, July 13, 2012 5:02 PM
>Subject: Re: [Rasch] MIRT and IRT
>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.
>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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