What is the difference between Verification and Validation?
Verification ensures that you are building a product according to its requirements, specifications, and standards. For Verification, you should ask the following questions: • Are you meeting the specified requirements? • Are you building the product right? Validation ensures that your product will be usable once it is in its intended environment. For Validation, you should ask the following questions: • Are you meeting the operational need? • Does this product meet its intended use in the intended environment? • Are you building the right product? These concepts were separated into two process areas to stress both concepts. Both are applicable throughout the product development lifecycle and can be addressed using the same test or activity. The difference between the two can be seen in the purpose of the test or activity. When prototypes are developed to ensure that specific requirements can be addressed, it is an example of a verification practice. When end users are asked to evaluate