Write Functional Fit Criteria (Process Notes 3.7)


The objective of this process is to take a requirement and use the work knowledge to produce a requirement fit criteria for a functional requirement. The process looks for unambiguous criteria that make it possible to classify any solution to the requirement as either "fits the requirement" or "does not fit the requirement."

The template contains many examples of how to determine requirement measurements.

For each requirement, fit criteria for a functional requirement specify how you will know that the product has successfully completed the required action, provided that you have defined the terms (refer to section 5 of the requirements specification template) used in the description and purpose/ rationale of the requirement. Then your fit criteria will take the following form:

  • The specified retrieved data will agree with the specified data that was input.

  • The specified checked data will agree with the specified checking rules.

  • The result of the calculation will agree with the specified algorithm.

  • The specified recorded data will agree with the specified retrieved data.

In other words, if your terminology is unambiguously defined, it is part of the definition of the fit criteria for functional requirements.

You might consider writing the test case as an alternative to the fit criterion for a functional requirement.




Mastering the Requirements Process
Mastering the Requirements Process (2nd Edition)
ISBN: 0321419499
EAN: 2147483647
Year: 2006
Pages: 371

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