# Don't confuse validation with verification Validation and verification are key parts of quality management. The [[Project Management Body of Knowledge (PKMBOK)|PMBOK]] guide makes a clear distinction between both terms: - Validation: The assurance that a product, service, or system meets the needs of the customer and other identified stakeholders. It often involves acceptance and suitability with external customers - Verification: The evaluation of whether or not a product, service, or system complies with a regulation, requirement, specification, or imposed condition. It is often an internal process The distinction is also important in the context of startups. ## References - https://en.wikipedia.org/wiki/Verification_and_validation