Is there a genetic correlation between general factors of intelligence and personality?
John C Loehlin1, Meike Bartels2, Dorret I Boomsma2
1Psychology Department,University of Texas,Austin,Texas,USA.
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.
Related Concept Videos
Biological Influences on Intelligence
Environmental Influences on Intelligence
Human Genetics
The complex relationship between genetics and psychology is observable through common biological components such...
Intelligence
Behavioral Genetics and Its Designs
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Implicit Personality Theories


