[Rasch] validating questionnaire through Rasch model

Michael Lamport Commons commons at tiac.net
Sat Sep 4 23:07:45 EST 2010

  Only partially validate.  Validation comes in many forms.  That the 
scale is unidimensional, can be validated.

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

On 9/4/2010 3:04 AM, Parisa Daftari Fard wrote:
> Dear Rasch members,
> Hi
> I have a question and I wish to have your kind help and suggestion. Is 
> it possible to validate a questionnaire through Rasch model. This is 
> questioning for me because questionnaire is not dichotomous but likert
> Best,
> Parisa
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