This week in social psychology class we were talking about aggression, commonly defined as physical or verbal behavior intended to physically or psychologically hurt someone. We noted historical ...

Aggression can be contagious, suggests new research. People who repeatedly observe aggressive behavior have a higher likelihood of engaging in violent behavior themselves, scientists say. Researchers ...

When we think of toxic behavior, images of yelling, overt aggression, and dramatic outbursts often come to mind. However, psychology reveals that toxicity can manifest in quieter, more subtle ways ...