A decision-oriented approach to system design and development
- 1 January 1993
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Systems, Man, and Cybernetics
- Vol. 23 (4) , 1024-1037
- https://doi.org/10.1109/21.247886
Abstract
Describes a two-phase, decision-oriented process that overcomes many of the system usability problems and unfavorable cost/effectiveness consequences resulting from current design and development processes. The system design and development approach presented combines the use of a unique version of prototyping, a decision-oriented prototype, detailed requirements analysis, strong user involvement and extensive user operational testing throughout design and development. The first phase ends with a user-tested and user-endorsed prototype. This prototype becomes the source of a preliminary system specification that launches the second phase, which includes formal specification development, hardware and software implementation, and predeployment formal usability testing. The intent of this approach is to provide a seamless match between user-centered design and overall system design.Keywords
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