Should students be overlearning?
In my last post I outlined my concerns with the idea of 'thinking hard' being a good proxy for learning. Briefly, thinking hard about a problem appears to be an inefficient way to alter long-term memory structures. This means that it's perfectly possible to struggle with a difficult exercise, successfully complete it, and still not have learned how to repeat the process independently. The problem is that 'thinking hard' exhausts limited working memory reserves. In fact - as Daisy Christodoulou states in Making Good Progress? - the evidence on 'overlearning' seems to suggest that repeating a task to the point where almost no thought [...]