In the fire service, imagine a captain who subtly undermines a subordinate’s efforts to gain favor with the chief, or a firefighter who manipulates shift assignments for personal convenience. The key ...

A new study suggests that certain personality traits and past relationship patterns are linked to whether an individual ...

Can harsh environments make societies more self-centered or ruthless? Our new study reveals how ecology—not just ...

Research suggests that wealthy people tend to be less altruistic and more selfish. Studies of drivers have shown that the ...

Have you ever felt manipulated by a superior or come across individuals who demand worship, expect underserved praise all the time, full of ego, pride, self-importance and lack empathy?They are ...

While it's not that surprising that the guys who post their solo pics are more narcissistic (though this is the first study ...

In today’s dating world, it’s almost inevitable that you’ll encounter a man with a Dark Triad personality. And if you do—don’t just walk, run. These men are known for their manipulative charm, but ...

These traits—which all involve selfishness and low empathy—almost always overlap and can be difficult to distinguish from one another. They exist on a continuum in the population as a whole. Research ...