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The interface of intelligence and personality

Moutafi, Joanna; (2004) The interface of intelligence and personality. Doctoral thesis (Ph.D), UCL (University College London). Green open access

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This thesis concerns the interface of intelligence and personality. It contains six Chapters and eleven independent but related studies. Chapter 1 is a review of the literature in this area. This presents the major models of personality and intelligence, the findings on the interface of the two constructs, and the major findings on how both are related to occupational performance. Chapter 2 consists of two studies, investigating the empirical links between g and the Big 5 personality traits. Results indicate positive links of g with Openness, and negative links with Neuroticism, Conscientiousness and Extraversion. Chapter 3 consists of three studies, which further investigate the major findings of Chapter 2, proposing explanations on how the observed relationships may have developed. Study 3 indicated that the relationship between Neuroticism and intelligence is mediated by state anxiety. Study 4 attested to a link between gf and Openness, indicating that it does not exclusively correlate with gc. Studies 4 and 5 revealed that Conscientiousness is more highly correlated with gf than with gc, which along with the sub-factor level analysis of Conscientiousness, indicated that gf may affect its development. Chapter 4 consists of three studies, investigating the relationship between intelligence and personality measures commonly used in occupational settings. Results indicated that similar patterns of results emerge irrespective of the inventories used, which can be linked to the Big 5 correlates of intelligence, thus attesting to the robustness of the relationship between intelligence and personality. Chapter 5 consists of three studies, investigating the relationship of intelligence and personality with job performance. Results revealed a link between intelligence and simulated and self-rated job performance, but not with salary or managerial level. Job performance was positively linked with measures of Conscientiousness, Extraversion and Agreeableness and negatively linked with measures of Neuroticism and Openness, though results were not consistent across measures of job performance. Chapter 6 presents a summary of the findings of the thesis, discussing their implications and their contribution to the current literature. This Chapter also considers the limitations of the conducted studies, suggesting ideas for future research.

Type: Thesis (Doctoral)
Qualification: Ph.D
Title: The interface of intelligence and personality
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Thesis digitised by ProQuest.
Keywords: Psychology; Job performance
URI: https://discovery.ucl.ac.uk/id/eprint/10104808
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