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This study explored the Dark Triad personality traits (Machiavellianism, narcissism, psychopathy) and their links to eating behaviors. Findings reveal specific associations, particularly how secondary psychopathy relates to uncontrolled and emotional eating.

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Area of Science:

  • Psychology
  • Behavioral Science
  • Personality Psychology

Background:

  • Limited empirical research exists on the Dark Triad (DT) and eating behaviors.
  • The DT comprises Machiavellianism, narcissism, and psychopathy.
  • Understanding these associations is crucial for a comprehensive view of personality and behavior.

Purpose of the Study:

  • To investigate the associations between the Dark Triad traits and eating behaviors.
  • To examine restrained, uncontrolled, and emotional eating in relation to DT.
  • To explore potential sex differences and moderation effects.

Main Methods:

  • A sample of 361 individuals from the general population participated.
  • Data were collected on Dark Triad traits (Machiavellianism, narcissism, psychopathy).
  • Eating behaviors assessed included restrained, uncontrolled, and emotional eating.

Main Results:

  • No sex differences were found for Machiavellianism, secondary psychopathy, or eating behaviors.
  • Machiavellianism acted as a protective factor against uncontrolled eating in women.
  • Narcissism's link to uncontrolled and emotional eating varied by sex; secondary psychopathy was linked to higher uncontrolled eating in both sexes.

Conclusions:

  • The study highlights nuanced relationships between specific Dark Triad facets and eating behaviors.
  • Secondary psychopathy, not primary, is more consistently associated with problematic eating patterns.
  • Sex moderates the impact of narcissism on uncontrolled and emotional eating, suggesting gender-specific considerations.