How to Make a Difference in a Classroom

Harry: One thing i've started doing now and again it's directly related to that if i'm asked to do a talk i always want to have a follow up if possible. If you're not teaching that for a term where's your incentive you're gonna have to start from zero just little things like that can make make a difference can't they. He says the tip is work out why things work and concretely be really specific about what's happening. Harry on how professional development works: "We looked at over a hundred studies we tried to pin down what are the mechanisms of change"