by Jonah Lehrer
Wall Street Journal
Janurary 22, 2011
How much do the decisions of parents matter? Most parents believe that even the most mundane acts of parenting—from their choice of day care to their policy on videogames—can profoundly influence the success of their children. Kids are like wet clay, in this view, and we are the sculptors. View Full Image Getty Images
As wealth increases, adults play a much smaller role in determining the mental ability of their children.
Yet in tests measuring many traits, from intelligence to self-control, the power