Journal
AGGRESSIVE BEHAVIOR
Volume 47, Issue 6, Pages 635-645Publisher
WILEY
DOI: 10.1002/ab.21990
Keywords
aggression; Dark Tetrad; schizotypy; Voodoo Doll Task
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Funding
- Social Sciences and Humanities Research Council of Canada [435-2015-0417]
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Research on the personality foundations of aggression typically explores the effects of Dark Tetrad traits and schizotypy. The study found that psychopathy and sadism, two traits from the Dark Tetrad, were strong predictors of self-reported aggression, while schizotypy added incrementally to predicting aggression in both self-report and behavioral measures.
Research on the personality foundations of aggression typically implicates either (a) aspects of the so-called Dark Tetrad or (b) severe mental disturbance (psychosis). The appearance of psychotic symptoms in general populations is termed schizotypy. We conducted two studies to compare the effects of dark personalities and schizotypy on aggression. Study 1 used standard inventories to investigate the overlap of Dark Tetrad traits with schizotypy in a sample of 977 undergraduates. All tetrad traits except narcissism were positively associated with schizotypy, but only at moderate levels. Study 2 administered the same personality battery to 303 members of an online community sample: Aggression outcomes were measured with both self-reports and a behavioral measure-the Voodoo Doll Task. Regression analyses determined the unique contributions of the five personality variables. Two dark traits-psychopathy and sadism-were strong predictors of self-report aggression. Schizotypy added incrementally to the Dark Tetrad in predicting both self-report and behaviorally measured aggression.
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