Bloomberg View, November 14, 2014.
It’s one thing to point out that programs to improve children’s cognitive functioning have had a dismal track record. We can always focus on short-term improvements, blame the long-term failures on poor execution or lack of follow-up and try, try again. It’s another to say that it’s impossible to do much to permanently improve children’s intellectual ability through outside interventions. But that’s increasingly where the data are pointing.
Two studies published this year have made life significantly more difficult for those who continue to be optimists.