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Simulation and display prototyping in the design of man-machine systems

The effective utilization of systems involving human decision makers depends critically upon the design of the interfaces at which man and machine communicate and at which information is displayed in support of human decision-making processes. This paper describes a design methodology and a supporting set of tools that allow information displays to be rapidly and economically conceived, designed, and evaluated within the context of the overall man-machine system prior to actual system implementation. Simulation and display prototyping are the key elements in this methodology. Results from extensive application of the design approach during the development of numerous complex man-machine systems are described in detail.