Add Yahoo as a preferred source to see more of our stories on Google. Machiavellianism is a personality trait, not a diagnosable condition. But, there’s some overlap between the personality type and ...

We all know somebody (or many somebodies) who are just a bit more cunning and calculated than the rest of us. Maybe this gets them ahead in life; or maybe it just serves to render them friendless.

People with Machiavellian tendencies are drawn to Twitter, according to new research. Machiavellianism is the belief that the end justifies the means, no matter how manipulative or callous.

A new paper published by a team of psychologists at the University of Alabama refutes the idea that “Machiavellian personalities” — or those who have a penchant for being strategic, deceptive, and ...

Can you tell if you're working with a narcissist or a psychopath? A new study suggests that people's job choices may offer ...

HAVE YOU EVER met someone who seemed like the most charming, intelligent, and confident person ... ever? But, after a few months of dating, you started to see another side to them—one that’s ...