Methods that quantify personality heritability by tagging *common* DNA variants get ~10-15% w/ ideal conditions. Too low? Twin/family studies (that don't measure DNA) get ~40-60%. Too high? Here's evidence for the third leg: methods that compare DNA between siblings. ~50% for "talk vs listen"
Thanks to all @23andMe participants and our amazing co-authors: Yanyu Liang, Julie Granka, Xin Wang, Julia Sidorenko, David Evans and Peter Visscher. Please check it out and share! Link: www.nature.com/articles/s41...