Have you ever met anyone like Seinfeld’s George Costanza, vacillating between submissiveness and obstinance? Perhaps an employee who’s a “yes man” when asked to do a project, only to become ...

By 2013, PAP was erased entirely from the DSM-5. Add to this a parade of different names (e.g., cyclothymic personality early on, then negativistic, then passive-aggressive) being applied to the same ...

Forbes contributors publish independent expert analyses and insights. Patricia writes about family law and tips for female lawyers. Aggression is defined as a form of physical or verbal behavior ...

A new analysis examined aggressive driving based on gender, age and behavior type. A new analysis of aggressive driving data confirms some long-held beliefs: when men are behind the wheel, they are ...

The phrases passive-aggressive people use without even realizing it can cause emotional harm and confusion. Just because someone might be expressing negative emotions in a subconscious way, that doesn ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...