Defect Prevention Model

The model used in this book considers the degrees to which a defect is detected versus prevented. Certainly, detection techniques prevent the customer from finding a defect, so they qualify as a rudimentary form of defect prevention. Figure 2-2 is the conceptual hierarchy and goals of each level. The three levels of defect activity contain a number of subactivities that satisfy the main category goals: defect detection, defect prediction, and defect prevention.

Figure 2-2. Defect prevention model

Defect detection has the goal of finding all defects before they are found by the next phase in the process. You may ask ...

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