by The Open University
Available in 5 free installments
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After studying this text you should be able to:
appreciate that simple models can be as useful as more complex model, if they serve their intended purpose.
appreciate the role of the assumptions of the model in thinking about possible revisions;
appreciate that there are a number of possible revisions to a model;
use a variety of techniques to revise a simple model;
appreciate that a complex model may be built up from a simple model by graduall including more and more features.
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