Experiencing social rejection during adolescence may contribute to the development of dark personality traits, a new study ...

The term “Dark Triad” refers to a trio of negative personality traits—narcissism, Machiavellianism, and psychopathy—which share some common malevolent features. The construct was coined by ...

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 ...

The researchers narrowed it down to the ‘Dark Triad’ traits of narcissism, Machiavellianism, and psychopathy. This was further expanded by including sadism, making Dark Triad become Dark Tetrad.