[Rasch] I have two very different instruments that I think measure the same thing.

Michael Lamport Commons commons at tiac.net
Fri Apr 22 03:02:26 EST 2011


I have two very different instruments that I think measure the same 
thing.  What tests do you think would be useful in comparing person 
scores.  Note that the means will be close but the standard deviations 
might be more different.  Should a simple t-test do?

-- 
My Best,

Michael Lamport Commons, Ph.D.
Assistant Clinical Professor

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

Telephone   (617) 497-5270
Facsimile   (617) 491-5270
Cellular    (617) 320--0896
Commons at tiac.net
http://dareassociation.org/



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