[Rasch] local item independence

Purya Baghaei puryabaghaei at gmail.com
Wed Feb 20 21:34:10 EST 2008


Scott,
Correlation of residuals is an indication of local item dependence.
It's implemented in WINSTEPS, table 23.
Regards
Purya


On 2/18/08, SR Millis <srmillis at yahoo.com> wrote:
>
> Are there any diagnostic tests available to determine
> whether there has been a substantial violation of
> local item independence?
>
> Thanks,
> Scott Millis
>
>
>
> Scott R Millis, PhD, MEd, ABPP (CN,CL,RP), CStat
> Professor & Director of Research
> Dept of Physical Medicine & Rehabilitation
> Wayne State University School of Medicine
> 261 Mack Blvd
> Detroit, MI 48201
> Email:  smillis at med.wayne.edu
> Tel: 313-993-8085
> Fax: 313-966-7682
> _______________________________________________
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>
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