
As you begin design validation (DV) and product validation (PV) testing you are entering the more formal phase of a test program.  Usually, you are working to internal and/or customer test specs with timelines that are critical and little margin for error.  If you’ve conducted adequate design verification testing and given your parts a chance to fail on test exposures that are similar to those your product will see in the field, you have reason to expect to be successful in validation [see previous article outlining accelerated test methods: Expect to Pass Validation].
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