m.bbc.co.uk - By Sean Coughlan BBC News education correspondent17 October 2013 Last updated at 01:22 Blue Peter generation: Social mobility had not reached education in the 1960sThe level of qualifications achieved by adults now in their 40s, 50s and 60s was influenced by social background as much as their own intelligence, according to a long-term study from the University of Oxford.It found that children of the same ability went on to achieve very different levels of exam results.