Unverified50% confidenceFactTime unknown
Research data from IBM and NASA shows that fixing a bug discovered during the requirements phase costs 10x to 100x less than fixing it during coding or testing
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Related Claims
Unverified越早发现软件问题，修复成本越低；后期发现的Bug修复难度和人力成本呈指数增长71% similarPartially VerifiedIBM的一项经典研究表明，在需求阶段引入的缺陷如果在编码阶段才被发现，修复成本会高出6-10倍70% similarUnverifiedBarry Boehm的研究表明，需求阶段引入的错误若在编码后才被发现，修复成本将扩大10至100倍64% similarUnverifiedSmartBear的研究表明，开发者在审查超过400行代码后，缺陷发现率会急剧下降60% similarUnverified研究显示修复嵌入架构深层的性能问题成本是在设计阶段预防的6至10倍60% similar
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