In general, after you’ve qualified what type of requirement is being validated and completed verification, it’s time to complete validation testing, which confirms the accuracy of the requirements. The answer to that question might vary depending on which industry you are in and which type of requirement is being validated. The process of verification is the same in that it allows you to do a quick check before getting too deep into the product development process. After entering a few rows of data, you might check the formula and make sure that it’s working. This is similar to the verification phrase in that using the GPS allows you to check your existing path against the directions.Īnother example is entering a formula into a spreadsheet. If you’re looking for exit 10 and just passed exit 1, you quickly know you have nine more exits to go.
You might plug that destination into your GPS, which provides directions and the freeway exit number. It’s far more effective to fix a small bug upfront than in the future when hundreds of lines of code must be identified and corrected.įor example, imagine that you’re driving to a new destination. Missing requirements or invalid requirements can be discovered during this phase, which can minimize the risk of rework and the cost associated with overruns. The verification process includes activities such as reviewing the code and doing walkthroughs and inspections. Verification tests check to ensure the program is built according to the stated requirements. But what’s involved with each? Let’s dive into verification first. Software verification comes first, followed by validation. If you’ve used verification and validation interchangeably in the past, one of the most important things to note is the order.
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