What is the difference between verification and validation,V & V?


According to CMMI
The purpose of Verification is to ensure that selected work products meet their specified requirements


According to CMMI
The purpose of Validation is to demonstrate that a product or product component fulfills its intended use when placed in its intended environment

More about V & V.

Verification typically involves reviews and meetings to evaluate documents, plans, code, requirements, and specifications. This can be done with checklists, issues lists, walkthroughs, and inspection meetings.

Validation typically involves actual testing and takes place after verifications are completed.

  • Both verification and validation use similar approaches i.e. reviews and testing

  • Both validation and verification activities often run concurrently and may use portions of the same environment.

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