3.1 Introduction
‘What is the difference between the mental gymnastics of thinking up a design and the mental gymnastics of working out a design?’
‘What is the difference between the mental gymnastics of thinking up a design and the mental gymnastics of working out a design?’
A glass jar stands on my desk. It is labelled ‘Think Tank’ and contains a piece of white cotton wool. From time to time it makes an excursion with me to a three-thy workshop for teachers on the subject of…
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Thinking up a design takes time: before the optimum design is found a lot of mental effort will be demanded. It can be nice to have something to accelerate the process. This is what referent 3: an appropriate model is…
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