The missing link in the relations between intelligence and personality

This study investigated the relationships between performance on tasks representing five cognitive domains (quantitative, categorical, spatial, causal, and propositional reasoning), self-attribution of ability in regard to them and also in regard to three general cognitive functions (processing speed, working memory, and self-monitoring and self-regulation), and the Big Five factors of personality (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience). The participants (n = 629) were about equally drawn from each of the age years 12-17. Structural equation modeling analyses were conducted to examine the construct validity of scores on the three research instruments. Moreover, structural equations modeling showed that self-attribution of ability is, to some extent, dependent on cognitive performance. Cognitive performance is weakly related only to two of the Big Five (openness and conscientiousness). Self-attribution of ability is substantially related to all but the neuroticism factor. Apart from openness to experience, the dependence of personality dimensions on the dimensions of cognitive self-representation tends to weaken with age. It is concluded that the influence of cognitive abilities on personality is mediated by self-awareness about them and implications are discussed. (C) 2003 Elsevier Science (USA). All rights reserved.