ISO 9000:2015 Definitions:
1. Review:
determination of the suitability, adequacy or effectiveness of an object to achieve established objectives.
- EXAMPLES: Management review, design and development review, review of customer requirements, review of corrective action and peer review.
2. Verification:
confirmation, through the provision of objective evidence, that specified requirements have been fulfilled
- The objective evidence needed for a verification can be the result of an inspection or of other forms of determination such as performing alternative calculations or reviewing documents.
- The word “verified” is used to designate the corresponding status.
3. Validation:
confirmation, through the provision of objective evidence, that the requirements for a specific intended use or application have been fulfilled
- The objective evidence needed for a validation is the result of a test or other form of determination such as performing alternative calculations or reviewing documents.
- The word “validated” is used to designate the corresponding status.
- The use conditions for validation can be real or simulated.
Review, Verification and Validation:
Reviews are conducted to evaluate the ability of the results of design and development to meet requirements;
Review: Will this design achieve the required objective?
Verification activities are conducted to ensure that the design and development outputs meet the input requirements;
Verification: Whether output meets input requirements (e.g. codes, specifications)
Validation activities to ensure that the resulting products and services meet the requirements for the specified application or intended use;
Validation: Does the product serve the required purpose? (live test)