Why home doesn't matterMay 2007Judith Rich Harris The BBC series "Child of Our Time" assumes that studying children with their parents will help us understand how their personalities develop. But this is a mistake: parents influence their children mainly by passing on their genes. The biggest environmental influences on personality are those that occur outside the home During much of the 20th century, it was considered impolite and unscientific to say that genes play any role in determining people's personalities, talents or intelligence. But we're in the 21st century now, the era of the genome. So when Robert Winston informs...