Hacker News new | ask | show | jobs
by ZeroGravitas 5234 days ago
In Sal Khan's TED talk he displays a graph and claims they repeatedly saw "slower" students catch up and excel. He then asked himself whether he (and the audience) had benefited not by being better than their classmates but more by luck that they didn't misunderstand (or simply miss) some early lesson and then get left behind as the class moved on before they had a chance to grasp it.