In the 1960s, behavioral scientists Betty Hart and Todd Risley found through research that children of wealthy parents tended to have better reading comprehension than their peers with lower-income parents, because wealthy parents talked to their children more.But that advantage may soon be flipped on its head, as technology consumes the attention of wealthy parents, who can afford it, and their children.

In The Good School: How Smart Parents Get Their Kids the Education They Deserve, journalist Peg Tyre writes about how children now play on the screens of iPhones and iPads while their parents send a few dozen text messages and work related e-mails, therefore inhibiting the conversations between parent and child.

Click here to see 8 questions every parent must ask when picking a preschool