Estimating the number of subjects needed for a thinking aloud test
International Journal of Human-Computer Studies
Systematic Introduction to Expert Systems: Knowledge Representations and Problem Solving Methods
Systematic Introduction to Expert Systems: Knowledge Representations and Problem Solving Methods
Varieties of User-Centeredness
HICSS '06 Proceedings of the 39th Annual Hawaii International Conference on System Sciences - Volume 08
The impacts of user review on software responsiveness: Moderating requirements uncertainty
Information and Management
Effective user involvement in product development by improving the analysis of user needs
Behaviour & Information Technology
User participation in software development projects
Communications of the ACM
Number of people required for usability evaluation: the 10±2 rule
Communications of the ACM
Users' involvement may help respect social and ethical values and improve software quality
Information Systems Frontiers
International Journal of Intelligent Information and Database Systems
International Journal of Intelligent Information and Database Systems
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Problems with uncertainty refer to various aspects in knowledge engineering. An open list of uncertain items in expert system development is given and their sources are listed, too. The periodical assessment of a software product by its users is recommended to reduce uncertainties. If symptoms of 'disease' are learnt then the proper diagnosis and therapy may be specified. User involvement is needed to ensure quality of innovative software during its evolutional development. Users provide regular feedback on a product. The experience, related to the expert system assessed by its users, is described.