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Mine is Bigger than Yours! Narcissism Predicts Biases in Perceived Head Size

Lyons, M, Blinkhorn, V, Collier, E and Bertamini, M (2019) Mine is Bigger than Yours! Narcissism Predicts Biases in Perceived Head Size. Studia Psychologica: journal for basic research in psychological sciences, 61 (4). pp. 245-257. ISSN 0039-3320

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Abstract

The expression big headed is often used to describe narcissists, however is it possible that this term signals a bias in how narcissists perceive themselves? We tested whether narcissistic traits predicted biases in the estimated size and weight of specific body parts, including head circumference and brain weight. In two questionnaire-based studies, participants estimated the size or weight of parts of their body. In Study 1 (n = 316), we found that the Leadership/Authority facet of narcissism significantly predicted greater estimates of head circumference in men, but lower estimates of head circumference in women. In Study 2 (n = 275), we found that when a sex-specific average head circumference was not provided, Leadership/Authority predicted greater estimates of head circumference overall. We present evidence that narcissism predicts biases in estimated head size and brain weight, but that the precise nature of these biases is dependent on the provided frame of reference for body size. These results are discussed with reference to within-sex competitive strategies, perceived intelligence and stereotypes for male and female attractiveness.

Item Type: Article
Uncontrolled Keywords: 1701 Psychology, 1702 Cognitive Sciences
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Psychology (new Sep 2019)
Publisher: Slovak Academy of Sciences, Centre of Social and Psychological Sciences
Date Deposited: 12 Mar 2020 10:06
Last Modified: 12 Mar 2020 10:15
DOI or Identification number: 10.21909/sp.2019.04.786
URI: http://researchonline.ljmu.ac.uk/id/eprint/12462

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