Is there a genetic correlation between general factors of intelligence and personality?

Loehlin, John C., Bartels, Meike, Boomsma, Dorret I., Bratko, Denis, Martin, Nicholas G., Nichols, Robert C. and Wright, Margaret J. (2015) Is there a genetic correlation between general factors of intelligence and personality?. Twin Research and Human Genetics, 18 3: 234-242. doi:10.1017/thg.2015.28


Author Loehlin, John C.
Bartels, Meike
Boomsma, Dorret I.
Bratko, Denis
Martin, Nicholas G.
Nichols, Robert C.
Wright, Margaret J.
Title Is there a genetic correlation between general factors of intelligence and personality?
Journal name Twin Research and Human Genetics   Check publisher's open access policy
ISSN 1839-2628
1832-4274
Publication date 2015-06-01
Sub-type Article (original research)
DOI 10.1017/thg.2015.28
Open Access Status Not Open Access
Volume 18
Issue 3
Start page 234
End page 242
Total pages 9
Place of publication Cambridge, United Kingdom
Publisher Cambridge University Press
Language eng
Abstract We tested a hypothesis that there is no genetic correlation between general factors of intelligence and personality, despite both having been selected for in human evolution. This was done using twin samples from Australia, the United States, the Netherlands, Great Britain, and Croatia, comprising altogether 1,748 monozygotic and 1,329 same-sex dizygotic twin pairs. Although parameters in the model-fitting differed among the twin samples, the genetic correlation between the two general factors could be set to zero, with a better fit if the U.S. sample was excepted.
Keyword General factor of intelligence
General factor of personality
Heritability
Life history theory
Mutation-selection balance
Twins
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Brain Institute Publications
Official 2016 Collection
School of Medicine Publications
 
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