Software metrics should be used to improve products, processes, planning, and decision-making, not to punish individuals. A major risk in metrics programs is that people may change behavior to protect themselves rather than improve quality. If defect counts, productivity rates, or review findings are used to judge individuals unfairly, teams may hide defects, avoid reporting issues, or manipulate measurements. Software quality engineering emphasizes objective measurement, clear operational definitions, and a culture of process improvement. Debating definitions endlessly delays improvement, removing outliers without cause can distort analysis, and software measurements are rarely absolute. The best way to reduce negative impact is to ensure metrics are used constructively for process and product improvement.

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