Unverified50% confidenceFactExact time
单纯看教程的知识留存率约为20%，而动手写代码做项目的留存率能达到75%至90%
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
程序员转AI工程师：你已完成80%，只差这六项核心能力
Related Claims
UnverifiedOne year after submission, approximately 70% of code written by senior human developers remains in the project, whereas the survival rate of agent-generated code averages only around 50%, with the lowest being below 40%.76% similarUnverified软件工程领域的经典研究表明，代码编写仅占软件总生命周期成本的约20%，而维护占据了剩余的80%76% similarUnverified通常80%的时间消耗集中在20%的代码中74% similarUnverified根据学习金字塔理论（Edgar Dale），被动学习的知识留存率在10%-30%之间，而主动学习的留存率可达50%-90%72% similar
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