As a basic specification of eyeball models, the pupil diameter was set at 3.0 mm using the Gullstrand model eye.
A simple linear and exponential model described the pupil light reflex.
Adopt the model of showing the pupils as a class how to do something on the computer, and then getting them to practise it in that lesson and to repeat that practice in subsequent lessons.
The IFS also pointed out it was inconsistent for the government to model the effect of the pupil premium across households but to insist it was incapable of doing the same modelling for other changes.
"We're the model pupil in the classroom, but the class is doing really badly," he said, pointing out that Finland's current account was now in deficit for the first time since the dark days of the early 1990s, and that it was lagging behind Sweden, the big brother over the border who kept out of the euro, on several other measures, too.
In its initial development, the NVC model re-structured the pupil-teacher relationship to give students greater responsibility for, and decision-making related to, their own learning.
Ward believes the co-operative model, whereby pupils, staff, parents and the local community elect members of a forum that advises a school's governing body, is the ideal compromise.
But all three have taken ballet classes in the past and are role models for pupils at the London Boys Ballet School, the first of its kind in the UK dedicated entirely to boys, according to its founder James Anthony.
The message to the pupils is clear – she is a role model they could emulate.
