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Why is intelligence associated with stability of happiness?

Kanazawa, Satoshi (2014) Why is intelligence associated with stability of happiness? British Journal of Psychology, 105 (3). pp. 316-337. ISSN 0007-1269

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Abstract

In the National Child Development Study, life-course variability in happiness over 18 years was significantly negatively associated with its mean level (happier individuals were more stable in their happiness, and it was not due to the ceiling effect), as well as childhood general intelligence and all Big Five personality factors (except for Agreeableness). In a multiple regression analysis, childhood general intelligence was the strongest predictor of life-course variability in life satisfaction, stronger than all Big Five personality factors, including Emotional stability. More intelligent individuals were significantly more stable in their happiness, and it was not entirely because: (1) they were more educated and wealthier (even though they were); (2) they were healthier (even though they were); (3) they were more stable in their marital status (even though they were); (4) they were happier (even though they were); (5) they were better able to assess their own happiness accurately (even though they were); or (6) they were better able to recall their previous responses more accurately or they were more honest in their survey responses (even though they were both). While I could exclude all of these alternative explanations, it ultimately remained unclear why more intelligent individuals were more stable in their happiness.

Item Type: Article
Official URL: http://onlinelibrary.wiley.com/
Additional Information: © 2014 The British Psychological Society
Library of Congress subject classification: B Philosophy. Psychology. Religion > BF Psychology
B Philosophy. Psychology. Religion > BJ Ethics
Sets: Departments > Management
Research centres and groups > Managerial Economics and Strategy Group
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 17 Jul 2013 15:03
URL: http://eprints.lse.ac.uk/51045/

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