As you can see the structure of the entire go have changed from a low set posture to a rounded figure. you can also see changes in the jaw shape and the bed of the school you can also see different dynamics in the dents etc within the skull . as you can see the beginner skull is reminiscent of animalistic features and crude shaping.
Manipulated Variable:The speed working on maths problems Responding Variable: The group that use¬ using a calculator Controlled Variable:The same maths quetions