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Improving the human-computer interface: a human factors engineering approach.

Human factors engineering involves the application of information about human behavior and characteristics in the design and testing of products, systems, and environments. A computing system's interface is developed on the basis of potential users' capabilities and limitations, the users' tasks, and the environment in which those tasks are performed. When human factors engineers work with users, subject-matter experts, and developers to design and test a system, they analyze and document users' tasks and requirements and develop prototype designs. Usability studies are conducted and user errors are analyzed to identify problems and develop recommendations for improving the human-computer interface.