I contributed on a very similar question here about 5 years ago. I'm not an expert (my sister probably is, I might ask her). I do remember an article in Nature magazine about 15 years ago that suggested it was 90% nature and 10% nurture. I believe that data was supported by studies using separated … Read more
That's okay. You do your paper- I I already did mine on this topic 30 years ago.
I will throw a kink in there though -"personality" has a lot to do with how much of each -nature or nurture -is absorbed or affected upon the person. Your best bet is to study the case studies … Read more
So the heathen can read it in their own lingo.
Follow the money.