Research scientists say kids who are persistently aggressive or defiant in their teens were likely showing signs of persistent aggressive behavior years earlier when they are toddlers. Sometimes as a ...

The real danger of passive aggressive behavior is that it often sneaks up on adults, quietly accumulating as a series of minor but irritating behaviors. Then, suddenly, the young person makes one more ...

Do you work with a student who consistently performs at a level that is beneath his ability? Is there a child in your classroom who habitually procrastinates, predictably “forgets,” and inevitably ...

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 ...

Before we had gaslighting and narcissism, passive-aggressive behavior was considered a major faux pax. It still is and for good reason. But let's back up a second—what exactly is "passive aggression"?