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st: is there a way to compare two kappa values?


From   "Monuteaux, Michael" <Michael.Monuteaux@childrens.harvard.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: is there a way to compare two kappa values?
Date   Thu, 1 Sep 2011 12:18:33 -0400

Hello everyone,

Is there a way to compare two kappa values?  For example, say I have two sets of raters, and both sets rated the same outcome.  So, I have a kappa of 0.4 for the first set of raters and a kappa of 0.6 for the second set.  Is there a way to test whether the 0.4 is statistically different from the 0.6?

Thanks so much!


Michael C. Monuteaux, Sc.D.
Assistant Professor of Pediatrics, Harvard Medical School
Senior Epidemiologist and Biostatistician
Clinical Research Program and Division of Emergency Medicine
Children's Hospital Boston
300 Longwood Avenue (21 Autumn Room 312)
Boston, MA 02115
phone: 857-218-4719
fax: 617-730-0828


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