A Usability Engineering Approach to Development of a Computer-based System for Continence Health Promotion

Computer-based systems (CBS) can provide information to help individuals analyze their health care needs and make decisions about management of health problems. This article discusses the development of a CBS that delivers an individualized educational intervention for continence health promotion. System development included cycles of prototype design, testing, analysis, and redesign. Knowledge acquisition, representation methods, and design decisions are discussed. Participants completed 4 rounds of usability testing and a pilot test, which resulted in enhancements to both the CBS and the expert system feature that produced individualized feedback. This iterative design process involved users throughout system development. User involvement resulted in a tutorial to explain navigation and other features of the CBS, graphics to enhance the written message, and clarification of continence-related content. The procedures resulted in an informative, usable product; they can be used to develop systems that provide information about symptom self-management for other health conditions.

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