Evaluating former United States presidents, researchers report wars last longer under presidents who score highest on narcissistic personality traits.
People with Dark Triad personality traits are more likely to believe fake news, especially when doing so promotes their own selfish desires. Even when presented with scientific facts, those with dark triad personalities bend reality to their own liking. The more pronounced traits associated with self-interest were, the more those with dark triad personalities doubted there was a difference between actual facts and mere opinions.
Those with dark triad or antagonistic personality traits including narcissism, Machiavellianism, and psychopathy are more likely to endorse negative beliefs about others, especially the LGBTQA+ community. People with these personality traits adopt prejudicial beliefs as they downplay the importance of equality and show little interest in protecting others, researchers conclude.
