verification or validation

Verification or Validation

• Verification and validation are quite different and used for different purposes. For example, verification answers, "Am I building the model right?", and validation answers, "Am I building the right model?"
• Wikipedia: Verification and validation of computer simulation models
• Wikipedia: Verification and validation
• 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
• 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.