# Need normal distribution for kappa Fleiss and ICC (2, 1)?

I'm analysing a study of 4 raters and 34 subjects. I'm looking at the inter rater reliability. For the ordinal results, I did a weighted kappa of Fleiss and for the other continuous results I calculated an ICC (2,1).

My question is if the data has to follow a normal distribution to be able to use the Kappa of Fleiss and the ICC (2, 1) correctly?

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Kappa is a measure of inter-rater reliability. How could such data be normally distributed? They are discrete, usually with a quite small number of categories. –  Peter Flom Sep 27 '12 at 11:12
What about the ICC and the interpretation of the f test –  Cesare Camestre Jul 19 at 6:19