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Verification vs Validation
Verification vs Validation: Key Difference
Here is the main difference between verification and validation testing:
| Verification | Validation |
|---|---|
| The verifying process includes checking documents, design, code, and program | It is a dynamic mechanism of testing and validating the actual product |
| It does not involve executing the code | It always involves executing the code |
| Verification uses methods like reviews, walkthroughs, inspections, and desk- checking etc. | It uses methods like Black Box Testing, White Box Testing, and non-functional testing |
| Whether the software conforms to specification is checked | It checks whether the software meets the requirements and expectations of a customer |
| It finds bugs early in the development cycle | It can find bugs that the verification process can not catch |
| Target is application and software architecture, specification, complete design, high level, and database design etc. | Target is an actual product |
| QA team does verification and make sure that the software is as per the requirement in the SRS document. | With the involvement of testing team validation is executed on software code. |
| It comes before validation | It comes after verification |
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