Infants as young as six months old can recognize differences in skin color. By age two and a half, research has shown, children prefer playmates who are similar in race and gender. And as early as age three, they are forming judgments about people based...
Ask a high school student how he or she typically feels at school, and the answer you’ll likely hear is “tired,” closely followed by “stressed” and “bored.”
In a nationwide survey of 21,678 U.S. high school students, researchers from the Yale Center for...