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st: Testing the difference of two independent ICCs


From   "Pruitt, Sandi" <SPRUITT@DOM.wustl.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Testing the difference of two independent ICCs
Date   Fri, 28 May 2010 09:44:54 -0500

We have calculated intraclass correlation coefficients and their 95% CIs. These ICCs represent the test-retest reliability of continuous measures measured at two times. I want to compare ICCs across two independent groups and would like to calculate a formal test of significance. 

Any ideas on how to do this? References? Programs? 

Thanks,
Sandi Pruitt



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