8.4 User testing
User or customer testing is a stage in the testing process in which users or customers provide input and advice on system testing. This may involve formally testing a system that has been commissioned from an external supplier. Alternatively, it may be an informal process where users experiment with a new software product to see if they like it and to check that it does what they need. User testing is essential, even when comprehensive system and release testing have been carried out. Influences from the user’s working environment can have a major effect on the reliability, performance, usability, and robustness of a system.
It is practically impossible for a system developer to replicate the system’s working environment, as ...
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