Are they out to get me? individual differences in nonclinical paranoia as a function of narcissism and defensive self-protection

Abstract

Objective: Three studies tested a novel model of the narcissism-paranoia link, whereby narcissism (primarily its socially maladaptive facets) is associated with paranoia via over-use of defensive self-protection and/or under-use of self-affirmation. Methods: In Study 1, 245 online volunteers (87% female; M _AGE = 20.92; 44% White-British) completed trait measures of narcissism, self-enhancement/protection strategies and paranoia. In Study 2, 116 students (82% female; M _AGE = 20.23; 70% White-British) completed baseline measures, then reported state reactions and paranoia following two difficult and two pleasant interpersonal events after 3–10 days. In Study 3, 517 online volunteers (64% female; M _AGE = 22.76; 77% White/Caucasian) completed baseline measures, experienced a standardized social exclusion (vs. neutral) manipulation (Cyberball), then reported state reactions and paranoia. Results: In Study 1, narcissism was associated with higher paranoia via defensiveness. In Study 2, this was replicated in difficult but not pleasant events, and was driven by the Entitlement/Exploitativeness facet of narcissism. In Study 3, narcissistic rivalry and vulnerable narcissism, but not admiration, were associated with Cyberball-related paranoia via general defensiveness and denigration of others. Conclusions: Individuals high in narcissism—especially its socially maladaptive facets—who over-rely on defensive self-protection strategies in response to threat, are particularly vulnerable to paranoia. Findings help to understand individual differences in paranoia.

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