Common personality traits consistently emerge as important predictors of a wide range of behavioural outcomes, including psychological well-being. While such associations are often interpreted causally as “personality predicting well-being”, findings from traditional twin studies suggest that personality and well-being outcomes have a common heritable component. Hence, rather than personality predicting well-being, personality may be a function of the same genes that influence well-being. The current project aims at investigating and disentangling the molecular genetic architecture of personality and well-being traits in existing large data sets in order to determine the nature and degree of genetic overlap between these different phenotypes.
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