Qualification Testing Versus Production Screening
Qualification tests a sample once to prove the design tolerates the mission profile; screening tests every unit forever to catch manufacturing defects. Confusing them produces both failure modes — shipping unscreened product because the design qualified, and screening as if it could fix a design.
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Qualification tests a sample once to prove the design tolerates the mission profile; screening tests every unit forever to catch manufacturing defects. Confusing them produces both failure modes — shipping unscreened product because the design qualified, and screening as if it could fix a design.
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