The research suggests that antagonistic personality traits like Machiavellianism, narcissism, psychopathy, and everyday sadism—collectively known as Dark Tetrad traits—are associated with ...

Three traits, often called the Dark Triad—narcissism, psychopathy, and Machiavellianism—are commonly assessed to investigate the darker, or more antagonistic and self-interested side of human ...

Traits associated with improved predation for ... transfers the parasite from one host to the next. Antagonistic interactions include predation, herbivory, and parasitism. These interactions ...

Muscles that work like this are called antagonistic pairs. In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. The muscle that is contracting is called ...