[Rasch] DIF studies for polytomous items

enayat shabani en_shabani at yahoo.com
Sat Apr 10 20:21:56 EST 2010


Also, you may like to have a look at the following paper:
 

- Potenza, M. T. & Dorans, N. J. (1995). DIF Assessment for polytomously scored items: A framework for classification and evaluation. Applies Psychological Measurement, 19(1), 23-37.
 
This dissertation may also help you: 
  
- Tian F. (1999). Detecting DIF in polytomous item responses. Unpublished dissertation. University of Ottowa. 
 
 
E. A. Shabni,
shabani at ut.ac.ir


      
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