Figure 3.
Distribution of context choices of the participants. (FG: food guarding; TS: threatening stranger; PL: play.) The confusion of the two agonistic growls is clearly visible.
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.