... use age 15 as my lowest parameter since a certain degree of maturity was required in order to collect the data in a reliable way. I chose to study 18 year olds because will have had an extra 3 years of education and experience which should bring about a noticeable difference between the groups The children I will be studying will all have had very similar experiences with their education i.e. within maths. I have also chosen to only study boys to minimise all factors other than age. I am also going to take some data from people over the age of 25 to see if there is a significant difference between the groups. This will be looked at to see the difference between adulthood and childhood. This data will be collected from people who work at the same place (laboratory at heartlands hospital) this will be done to minimize ...

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