Information on Need Statement
The need statement is a concise statement of need
describing the goals or objectives of the system development. The
need is articulated in the User Requirements Document. A system
must meet some defined need which must be clearly stated
at the outset. The need statement is developed in
conjunction with the key stakeholders and provides a single concise
sentence that contains a word or phrase for every key
aspect of the system. In that way, the need statement begins the hierarchical top-down analysis of system requirements.
The need
statement also serves as the ultimate test of the
system’s fitness for purpose once it is introduced into service.
Other topics in our resources on Systems Engineering related to Need Statement include:
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