The connection between narcissism and some personality traits with suicide

Haček Zuber, Patricija. (2018). The connection between narcissism and some personality traits with suicide. Diploma Thesis. Filozofski fakultet u Zagrebu, Department of Psychology. [mentor Arambašić, Lidija].

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Abstract

The aim of this study was to determine whether there is a connection between narcissism (two subtypes: vulnerability and grandiosity) and some traits of personality (negative perfectionism, external locus of control, emotional stability and extraversion) with suicide. The study involved 267 participants (178 women and 89 men) ranging from 25 to 50 years. The measuring instruments used in the study were The Pathological Narcissism Inventory (PNI), Depression Anxiety and Stress Scale (DASS-21), The Suicide Assessment Scale (SUAS), International Personality Item Pool Scale (IPIP-50), Positive and Negative Perfectionism Scale (PNPS) and Rotter’s Locus of Control Scale (RI-E). The results show that narcissistic vulnerability, negative perfectionism, external locus of control are positively and extraversion and emotional stability are negatively statistically significantly related to suicide. Narcissistic grandiosity is not statistically significantly related to suicide. Furthermore, the results of hierarchical regression analysis show that depression, emotional stability and extraversion are statistically significant predictors that explain 37% of variance of suicide. Narcissistic vulnerability, negative perfectionism and external locus of control are not significant predictors of suicide. Furthermore, the results of linear regression analysis show that emotional stability and negative perfectionism are mediators in relation of narcissism and suicide.

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