[Rasch] DK Rasch analysis

Randy & Shelley MacIntosh srmac at bluebottle.com
Mon May 17 09:30:01 EST 2010

I am interested in studying the use of  'don't know' responses to survey 
questions about current events.
We suspect that women are more willing to admit they don't know 
something compared to men.
I was thinking about applying the Rasch model and treating 'don't know' 
as the 'correct' answer, and then doing a DIF analysis.

I was wondering if anyone has conducted a similar analysis or can 
perhaps suggest a published study?

Randy MacIntosh
CSU Sacramento

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