Children with brain injury often have memory problems which means that they find learning new material difficult. One particular problem seems to be with trial and error learning. Children (and adults) with memory problems find it hard to eliminate the errors. The original work was done on amnesic patients in a study by Alan Baddeley and Barbara Wilson . They introduced the concept of errorless learning as a way of helping the individuals with amnesia learn. Errorless learning means intervening before the person makes the errors. It may seem counter intuitive but I have seen it work repeatedly in children in clinical practice. Over time it is best to withdraw support gradually whilst still trying to avoid errors. One of the best people talking and writing about child neuropsychological rehabilitation is Mark Ylvisaker from New York and he has a good way of explaining how this concept can be used to teach children. He is a great speaker and we met when he came over to London to talk at a conference I arranged. I would recommend trying to get to see him speak but if you can’t he has a great website with videos of him talking about different topics. The video on errorless learning is particularly good http://www.bianys.org/learnet/tutorials/errorless_learning.html. The video didn’t work well for me on his website (lots of stops and starts) so I would recommend downloading it first.