[Rasch] Empirical order & Theoretical order

Parisa Daftari Fard pdaftaryfard at yahoo.com
Wed Nov 3 09:53:25 EST 2010


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.
 
Best,
Parisa

--- On Tue, 11/2/10, Trevor Bond <trevor.bond at jcu.edu.au> wrote:


From: Trevor Bond <trevor.bond at jcu.edu.au>
Subject: Re: [Rasch] Empirical order & Theoretical order
To: "Raschlist" <rasch at acer.edu.au>
Date: Tuesday, November 2, 2010, 11:18 AM


In a nutshell

you might use Rasch info to reject items

but who wrote the items?

Unlikely , it was the theorist...and even if it was
is the theorist a good item writer (not equivalent skills)?

over to you...

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