Hi all,

I have a question regarding the following entry from "Aggressive Ural Owl
Mothers Recruit More Offspring" by Kontianien et al. 2009:

"The repeatability of Ural owl nest defense aggressiveness was 52.3 ą 5%
(standard error) (df = 1, ÷2 = 36.1, *P* < 0.0001). Hence, there were
consistent differences across individuals in their nest defense
aggressiveness."


I have my own model where I have random slopes and intercepts and am
wondering how to calculate the repeatability as mentioned above.  Is this
done only for models with random slopes and intercepts?  Any help is
greatly appreciated.


Jacob

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