People are not always good to each other. We do know that babies prefer faces similar to their own and are better at processing emotional cues and distinguishing between people of their own ethnicity. I’m not saying you’re racist, babies, but it does seem like you could be cooler.
Researchers at University of British Columbia, Temple University, University of Chicago, and Yale University led by Kiley Hamlin worked with 64 nine-month-olds and 64 fourteen-month-olds. They first established whether each baby preferred graham crackers or green beans. Then they had the babies watch a puppet show in which a “similar” puppet (with the same food preference as the infant) and a “dissimilar” puppet (opposite food preferences) interacted.
Read the whole story: The Atlantic