Predicting Reactive and Proactive Relational Aggression in Early Adolescence as a Function of Individual Differences in Machiavellianism, Empathy, and Emotion Regulation

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Relational aggression encompasses behaviour meant to hurt others by destroying their friendships and reputation (Crick & Grotpeter, 1995). As peer relationships take on greater importance in early adolescence, relational aggression becomes more accepted and prevalent, yet perceived as equally or more harmful to its targets than physical aggression. The present study explored whether reactive and proactive subtypes of relational aggression were associated with an inability to empathize with others, regulate emotional states, and hold attitudes that it is acceptable to manipulate and harm others. Empathy, emotion regulation, and Machiavellianism’s roles in predicting reactive and proactive relational aggression was examined using Crick and Dodge’s (1994) reformulated Social Information-Processing Theory’s framework. Reactive relational aggression was expected to be associated with low empathy and high emotion dysreglation. Proactive relational aggression was expected to be predicted by high empathy, low emotion dysregulation, and high Machiavellianism. Low empathy was expected to predict overt aggression indices. One hundred and thirty-three children (73 females, 60 males, Mage = 12.84 years) in grades 6 through 8 from five schools in a public Ontario schoolboard were recruited. Caregivers completed a measure of their child’s emotions and behaviours (The Emotion Regulation Checklist; Shields & Cicchetti, 1995). Participating students completed four self-report measures assessing relational and overt aggression (Children’s Social Behaviour Scale – Self-Report; Crick & Grotpeter, 1995), proactive and reactive subtypes of aggression (Little, Jones, Henrich, & Hawley, 2003), empathy (Interpersonal Reactivity Index; Davis, 1980), and Machiavellianism (Kiddie Mach Scale; Christie & Geis, 1970) during one 60 minute session. Empathy, Machiavellianism, and emotion dysregulation scores were associated with total, reactive, and proactive relational aggression scores. When contrasting subtypes of aggression were controlled, however, these emotional and cognitive variables did not predict total and reactive relational aggression. There was a non-significant trend for higher levels of empathy to predict proactive relational aggression. Low empathy significantly predicted total and reactive overt aggression indices. Machiavellianism predicted reactive and proactive overt aggression. Emotion regulation was not a significant predictor in analyses. Results provide support for the role of Machiavellianism and empathy in relational aggression, particularly proactive or goal-oriented instances.