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TL;DR: A 2025 study in Journal of Sex & Marital Therapy linked higher Dark Triad traits, a personality cluster covering psychopathy, narcissism, and Machiavellianism, with more aggressive relationship expectations and greater self-reported sexual coercion in a…
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Sadism refers to deriving pleasure from inflicting physical or emotional pain on others. A new review illuminates the personality traits that relate to higher levels of sadism. Key Facts: Sadism is linked to “dark personality traits” like psychopathy, narcissi…
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A new study reveals intriguing differences in personality between tattooed and non-tattooed individuals. While effect sizes were small, tattooed participants scored higher in sensation-seeking and need for uniqueness compared to their non-inked counterparts. K…
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Phrenology, the pseudoscience of linking personality traits to head shape, has captivated minds for over 200 years despite lacking empirical evidence. A recent study took a novel approach to finally settling the debate – utilizing modern neuroimaging and big d…
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Borderline personality disorder (BPD), long seen as an unchanging and lifelong condition, may actually have both stable and variable elements according to new research. The study found that about half of BPD features persist over time, while the other half flu…
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A headline grabbing new study reveals that people who own dogs widely considered “vicious” or “high risk” breeds exhibit higher rates of antisocial behaviors and psychopathic personality traits compared to other dog owners and non-dog owners. Key Facts: Owners…
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Researchers have found that more intelligent narcissists are less likely to exhibit rivalry and aggression. This suggests higher intelligence may help mitigate some of the negative interpersonal behaviors associated with narcissism. Key Facts: Narcissism has t…
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