Tuesday, October 1, 2019

Self-enhancement, the motive to view oneself in positive light: Not only are heritable its manifestations at the subjective & intermediate level, but also are the objective level & its relation with psychological well-being

On the Etiology of Self-Enhancement and Its Association With Psychological Well-Being. Yu L. L. Luo, Constantine Sedikides, Huajian Cai. Social Psychological and Personality Science, September 30, 2019. https://doi.org/10.1177/1948550619877410

Abstract: Self-enhancement, the motive to view oneself in positive light, and its manifestations have received wide attention in behavioral sciences. The self-enhancement manifestations vary on a continuum from a subjective level (agentic narcissism, communal narcissism, narcissistic grandiosity) through an intermediate level (better-than-average judgments) to an objective level (overclaiming one’s knowledge). Prior research has established the heritability of self-enhancement manifestations at the subjective and intermediate levels. The present twin study demonstrated that (1) the objective level of self-enhancement manifestation is also heritable; (2) a common core, which is moderately heritable, underlies the three levels of self-enhancement manifestations; (3) the relation between self-enhancement (manifested at all three levels) and psychological well-being is partly heritable; and (4) environmental influences, either shared by or unique to family members, are evident through (1), (2), and (3). The findings deepen understanding of the etiology of individual differences in self-enhancement and their links to psychological well-being.

Keywords: self-enhancement, behavioral genetics, narcissism, narcissistic grandiosity, better-than-average effect, overclaiming task

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