[Rasch] Two questions

Michael Lamport Commons commons at tiac.net
Sun Jul 20 06:42:47 EST 2008

A reviews said that Rasch good not be used to order how biased an item 
was. The original items were rated on a 1-6 scale from totally unbiased 
to totally biased.

Do agree or disagree and please give your reasons

Second, Luce suggested that items that might be on an ordinal scale 
should behave just fine when Rasch Analyzed.

Opinions? Comments?

My Best,

Michael Lamport Commons, Ph.D.
Assistant Clinical Professor

Department of Psychiatry
Harvard Medical School
Beth Israel Deaconess Medical Center
234 Huron Avenue
Cambridge, MA 02138-1328

Telephone (617) 497-5270
Facsimile (617) 491-5270
Cellular (617) 320–0896
Commons at tiac.net

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