Software
Description of procedure Reliability in SPSS to compute 6 intraclass correlation coefficient in Shrout and Fleiss paper spss.pdf
SAS macro to do same analysis as above intracc.doc
Here is a SAS macro for calculating a host of different relational agreement measures including ICCs based on variance components (ANOVA) and moments (CCC's).
SAS Macro for ICCs
This file gives some description of using the above macro, and an example using the Shrout and
Fleiss data.
SAS Program for calling ICC Macro
The following SAS and R programs calculate the coefficients of individual agreement (CIA's):