Fig 7. Pdf of the r observable according to relation.
Blue squares: colleague dyads. Red circles: couples. Orange triangles: family dyads. Green stars: friend dyads.
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.