[Rasch] Empirical order & Theoretical order

Agustin Tristan ici_kalt at yahoo.com
Thu Nov 4 11:10:34 EST 2010

Certainly the Rasch model is out of the problem. Only when a person wants to preserve the theory then he/she has to look for another model fitting the data. This is not our approach I think.

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-----Original Message-----
From: Trevor Bond <trevor.bond at jcu.edu.au>
Sender: rasch-bounces at acer.edu.au
Date: Thu,  4 Nov 2010 09:44:40 
To: Parisa Daftari Fard<pdaftaryfard at yahoo.com>; rasch list<rasch at acer.edu.au>
Subject: Re: [Rasch] Empirical order & Theoretical order

Dear Parisa,
The topic sounds interesting. I believe that When we do not have an agreement 
between Rach model and Theoretical model, there are three possibilities
1.  Rasch model requires revision
2.  Theory requires revision
3.  Items requires revision
One of the 1, 2, or 3 should be revised.

At the moment, I am not willing to choose 1 - the Rasch model seems to be best 
we have for our task of constructing and monitoring variables at this point.

Here's an example of Rasch meets Piaget, where revision to Piaget's theory AND 
Inhelder's methodology are recommended:
Bond, T.G. & Bunting, E. (1995). Piaget and measurement III: Reassessing the 
méthode clinique. Archives de Psychologie, 63, 231-255.

Prof Trevor G BOND
Adjunct Professor
School of Education
James Cook University
mob: +61 416 82 70 83
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