mm michael davidson. or there are statistically. criteria that determine whether a country and an education system is doing well or not. well that depends the schools can be tested significant estate one of fronts is doing better than the oecd out into whether one countries dating back over the net of soap and one thinks always been a mind a lot of attention is given to brian kings of the most sensible composites this with other countries including mobile a mono. the dipper and the question is can you single out the fact is in the swim and dance the new single out the factors which determine whether a country is going to score highly pour the entire text mining fine speaking to the analysis the issue is of the konica six of the successful education systems and when you break it down keep those why the station countries even talk about shanghai. why they do so well that summer having high expectations in the education system and those high expectations still totally dense repayments. are you saying about the potential influence and a