Abstract
There is currently limited evidence for the two-factor structure of Psychopathy. The aim was to provide evidence for the construct validity of Primary and Secondary Psychopathy. Batteries including the Five Factor Model, the Hogan Development Survey, and Narcissism, Machiavellianism, Empathy, and Aggression, were administered to 241 undergraduate psychology students. Confirmatory factor analysis indicated that a two component structure fitted the data reasonably well (chi-square = 1.939, CFI = .799, RMSEA = 0.063). The strongest markers of Primary Psychopathy were Agreeableness, Empathy, and the HDS Bold and HDS Colourful subscales, while the strongest markers of Secondary Psychopathy were Neuroticism, Conscientiousness, and HDS Excitable. It was concluded that preliminary evidence for the two-factor model of Psychopathy had been gained.
Highlights
The construct of Psychopathy has been of interest to psychologists for some time (Lee & Salekin, 2010)
The sample mean for each scale was compared to the norm mean where available, and indicated that our sample was significantly different from the norm values for all scales except Primary Psychopathy, and Physical Aggression for males
Confirmatory factor analysis indicated that the two-factor model provided a reasonable fit to the data, thereby supporting the two-component structure of Psychopathy
Summary
The construct of Psychopathy has been of interest to psychologists for some time (Lee & Salekin, 2010). Secondary Psychopathy is characterised by high impulsivity and emotional instability, coupled with a self-defeating lifestyle Both factors of Psychopathy are negatively related to Agreeableness from the Five Factor Model (Lynam&Derefinko, 2006) and Empathy (Andrew, Cooke, & Muncer, 2008; Munro, Bore, & Powis, 2005; Wastell & Booth, 2003). They are positively related to Aggression (Ross, Bye, Wrobel, & Horton, 2008), Narcissism (Jakobwitz & Egan, 2006; Paulhus & Williams, 2002), and diagnoses of Antisocial Personality Disorder (Blackburn & Coid, 1998)
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