Robert Plomin is great!😃 Thank you for sharing this article with me :) I don't have an appointment with the hairdresser for the next two weeks, but already got something to read during my next hair treatment :P
Jokes aside ...
Over the past few years quite a few studies have been looking into the genetics of The Big Five Dimensions. Although. the ones I have come across mostly correlate the genetics of personality with psychiatric disorders (not even extroversion escaped- which genetic variation correlates with ADHD ref.). You can imagine when it comes to neuroticism ref. ! So, yes, there is now evidence of genetic variations underlying our personality traits.
Nevertheless, twin studies suggest that genetics and environmental factors are equally important when it comes to the formation of personality ref.
It was concluded that despite sharing the same genes, their different environment, parents rearing practices and education do bring changes in their personalities
Finally, the days when it was believed our personality is fixed are gone. It is now understood for example, that we become more agreeable as we age, and less Open to Experience as the years go by ref.
Thanks a lot for stopping by once again, and this time, taking the time to do the test :D
All the best to you always!
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I knew it!! This is very cool! The evidence against them is amassing! :D
To play devil's advocate, I could say that perhaps the change is also genetically mediated: just like hair changes to white as we age, maybe we're meant to be more agreeable as we age because we're not as strong, say, or because there's more progeny to take care of and tolerate.
Thanks for your (as always) detailed and informed reply!