待验证50% 置信基准精确时间
IBM Systems Sciences Institute 研究数据显示，设计阶段修复缺陷成本为1x，编码阶段6.5x，测试阶段15x，生产环境100x
1
来源数
50%
置信度
长期有效
时效性
2026/8/27
首次发现
来源
涉及实体
相关事实
部分验证IBM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75% 相似待验证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 testing74% 相似待验证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65% 相似待验证According to IBM's classic research, approximately 85% of defects in software projects can be traced back to oversights during the requirements phase.60% 相似待验证左移测试的理念源于软件缺陷修复成本随开发阶段呈指数增长的经验法则59% 相似
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