Hi, what research are you using to base your analysis on?
You could use the government's own guidelines and then see what that's meant for setting's who are required to provide opportunities for children's physical play & development.
https://www.gov.uk/government/public...ity-guidelines based on the research conducted by The Chief Medical Office CMO
http://www.nhs.uk/news/2011/07July/P...-from-cmo.aspx
Hope this helps a little xx