Figure 2.
The cluster‐mean correlation (R) as a function of cluster‐size (M = Tm) in cross‐sectional studies with individual‐observation ICC (ηC) = 0.001, 0.01, 0.05, 0.10, 0.20.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.