Genetic and Environmental Factors of Non-Ability-Based Confidence

Overview

Journal Soc Psychol Personal Sci

Publisher Sage Publications

Date 2024 Jul 15

PMID 39006758

Authors

Randi L Vogt

Anqing Zheng

Daniel A Briley

Margherita Malanchini

K Paige Harden

Elliot M Tucker-Drob

Affiliations

Soon will be listed here.

Abstract

Non-ability-based confidence is confidence in one's ability that is not calibrated to actual ability. Here, we examine what psychological factors are associated with possessing more or less confidence relative to one's ability and to what extent genetic and environmental processes contribute to these links. Using data from the Texas Twin Project ( = 1,588 participants, aged 7-15 years), we apply a latent variable residual approach to calculate non-ability-based confidence as self-rated confidence net of ability on standardized cognitive tests. Non-ability-based confidence was modestly heritable (9%-28%) and strongly positively correlated with the need for cognition, mastery goal orientation, grit, openness, and emotional stability. These correlations were partly mediated by genetic factors (57% of the association on average). This widespread pattern of associations between non-ability-based confidence and several other measures of thinking, feeling, and acting suggest that non-ability-based confidence can be conceptualized as a personality attribute.

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