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Looks at the design elements of an effective human interface. Outlines what makes a good interface and why so many are bad. Explains the importance of having a clear idea of what jobs are to be done and an understanding of the ways errors happen. Also explains the need to understand and involve the user and the importance of trying out the interface at an early stage. Concludes that bad interfaces cost money and can be dangerous and that the human interface should attract at least the same level of resources as any other major part of system design.
Alan Dix (Thu,) studied this question.