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Introduction to the Personal Software Process by Watts S. Humphrey - Carnegie Mellon University

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16 The Economics of Defect Removal

This chapter discusses the economics of defect removal. Defect removal is an economic issue because many defect-removal decisions concern trade-offs between cost, schedule, and quality. While product quality must always be a high priority, most projects have schedule and cost constraints. Thus, the relative costs of removing defects during development, the impact of any remaining defects on the customer, and the resulting customer support costs are important issues in software development. For the chapter assignment, you will analyze the defect injection and removal rates for the programs you have developed so far in this semester.

16.1 The Need for Quality Work

In spite of the many technological advances ...

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