[Rasch] Bunched versus spread out items to measure depression

Michael Lamport Commons commons at tiac.net
Thu Jul 21 22:48:22 EST 2011


Dear List Members:

What are the disadvantages and advantages of having the Rasch item scores bunched up with a small S.D. versus spread out for items to measure depression?  There person Rasch score have a very large S.D. which indicates that the items are capturing a wide range of depression



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
http://dareassociation.org/



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