2.7Measuring Culture Change

Culture change is slow and hard to quantify. But you can track proxy metrics that indicate whether the culture is shifting.

Metric	What It Indicates	Target Direction
Developer-written test coverage	Are developers taking ownership of testing?	Increasing
Bugs found in code review vs QA	Is defect detection shifting left?	More in review, fewer in QA
Escaped defects per release	Is overall quality improving?	Decreasing
Time QA spends on regression vs exploratory	Is automation freeing QA for higher-value work?	Less regression, more exploratory
Sprint velocity with quality gates	Can the team move fast without sacrificing quality?	Stable or increasing
QA satisfaction survey scores	Does the QA team feel valued and effective?	Increasing
Developer testing habit survey	Do developers see testing as part of their job?	Increasing agreement