Ethnic Hostility Can Be Contagious
New research shows adolescents mimic their peers' cruel behavior—especially when it harms members of a disliked minority.
Hostility
When Playing Video Games, Go for the Flow
Research suggests highly skilled players who achieve a "flow state" are buffered against the games' negative psychological impact.
Why We Assume Malevolence in the Intentions of Others
And it's called hostile attribution bias.