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.
Mean expression categorization accuracy from dog owners and non-owners when labelling human, chimpanzee, monkey and dog facial expressions. HN human negative, HR human relaxed, HP human positive, CN chimpanzee negative, CR chimpanzee relaxed, MN monkey negative, MR monkey relaxed, DN dog negative, DR dog relaxed, DP dog positive. Error bars represent SEM. *p < 0.05, **p < 0.01
