People with dark personalities like to think they rule the world. New research on conflict styles suggests how bad things can ...

The Dark Tetrad, also known as the Dark Quad, is a set of interrelated negative personality features: narcissism, psychopathy, Machiavellianism, and sadism. The term is an expansion of the idea of ...

A study of Pakistan's banking sector reveals a troubling link between the "dark tetrad" personality traits of Machiavellianism, narcissism, psychopathy, and sadism, and a toxic workplace.