The Hidden Lives of Learners by Graham Nuttle

Graham Nuttle is a New Zealand researcher who spent hours and hours recording student interactions within classrooms. He analyzed them to work out what it actually is that leads to student learning. A student needs to encounter on at least three different occasions the complete set of information she or he needed to understand a concept if the information was incomplete or not experienced on 3 different occasions the student did not learn the concept. Harry: How can people make sure they do this Harry?