Defect Detection Percentage

The number of defects found by a test level, divided by the number found by that test level and any other means afterwards.

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Expert Test Management 2011 Expert Improving the Test Process 2011
Defect Density
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How to cite

International Software Testing Qualifications Board. (2026). Defect Detection Percentage. ISTQB Glossary. Retrieved October 19, 2026, from https://istqb-glossary.page/defect-detection-percentage/.

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