Interesting article from Jonah Lehrer in the Wall Street Journal:
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.
Yet in tests measuring many traits, from intelligence to self-control, the power of the home environment pales in comparison to the power of genes and peer groups. We may think we’re sculptors, but the clay is mostly set.
A new paper suggests that both metaphors can be true. Which one is relevant depends, it turns out, on the economic status of families.
For a paper in Psychological Science, researchers at the University of Texas at Austin and the University of Virginia looked at 750 pairs of American twins who were given a test of mental ability at the age of 10 months and then again at the age of 2. By studying the performance of identical versus fraternal twins, the scientists could tease out the relative importance of factors such as genetics and the home environment. Because the infants came from households across the socioeconomic spectrum, it also was possible to see how wealth influenced test scores.
Read More about Jonah Lehrer’s article in the Wall Street Journal:
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