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Validating a requirement

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This often involves acceptance of fitness for purpose with end users and other product stakeholders. It is sometimes said that validation can be expressed by the query "Are you building the right thing?

" "Building the right thing" refers back to the user's needs, while "building it right" checks that the specifications are correctly implemented by the system.

The development of software begins once the requirements document is 'ready'.

One of the objectives of this document is to check whether the delivered software system is acceptable.

In addition, the review team checks whether the work products produced during the requirements phase conform to the standards specified for the process, project, and the product.

At the review meeting, each participant goes over the requirements before the meeting starts and marks the items which are dubious or need clarification.

The lists of problems indicate the problems encountered in the" requirements document of the requirements validation process.

The review team consists of software engineers, users, and other stakeholders who examine the specification to ensure that the problems associated with consistency, omissions, and errors are detected and corrected.

Other objectives of the requirements document are listed below.

Requirements validation is similar to requirements analysis as both processes review the gathered requirements.

The words "verification" and "validation" are sometimes preceded with "independent", indicating that the verification and validation is to be performed by a disinterested third party. The PMBOK guide, a standard adopted by IEEE, defines them as follows in its 4th edition: In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service or system, then performing a review or analysis of the modeling results.

"Independent verification and validation" can be abbreviated as "IV&V". In the post-development phase, verification procedures involve regularly repeating tests devised specifically to ensure that the product, service, or system continues to meet the initial design requirements, specifications, and regulations as time progresses.