Well, in the article, it does say that after the mind-set intervention was applied to all the student (minus the control group), the gap between the at risk gro

Well, in the article, it does say that after the mind-set intervention was applied to all the student (minus the control group), the gap between the at risk group and the affluent group cut in half, as the affluent group's drop out rate was not really affected by it. And again, as they say, it was only 45 minutes, and it didn't "do" a lot. It did however, change how the students interpreted bad events in the future, and reduced the chance of the student feeling that, say, because they failed a test, they don't belong in college at all.