Examining the relationship between sources of self-concept and forms of aggression in adolescence

Abstract

This thesis investigates the relationship between forms of self-concept and forms of aggression in adolescence. The relationship between self-esteem and aggression has been inconsistent in research, with both high and low self-esteem found to be related to aggression. The first paper presented here reviews the literature in the field and finds that this relationship becomes clearer when self-esteem is conceptualised in terms of a dual processing model, consisting of both explicit and implicit forms. The relationship with aggression is strongest when high explicit self-esteem is combined with low implicit self-esteem, as it is in narcissism. The literature review demonstrates that because of this, narcissism provides a better predictor of forms of aggression than the dual processing model of self-esteem can alone. Implications for future research and educational practice are discussed, with a particular emphasis on the need for future research to investigate the emerging link between narcissism and bullying.
The second paper presented here reports an empirical study investigating the relationship between adaptive (i.e., leadership, self-sufficiency) and maladaptive (i.e., the tendency to exploit others, exhibitionism, entitlement) forms of narcissism and bullying as well as the possible mechanisms through which they are related. We surveyed 388 UK adolescents (160 boys, 190 girls) using measures of narcissism, bullying behaviour, affective and cognitive empathy, and need for power. Results highlighted that both adaptive and maladaptive narcissism were predictive of bullying for both male and female participants. We found that this relationship was not mediated by either cognitive or affective empathy, but that it was significantly mediated by a need for power. The study highlights the need for future research to begin to design and test interventions targeting the bullying associated with different forms of narcissism individually.

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ORCID for Claire M. Hart: orcid.org/0000-0003-2175-2474

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