

Test Cheap, Learn Fast means creating a culture where experiments happen early and often. Leaders run the smallest possible tests to validate key assumptions, measure actual performance, and let reality shape the next step.
This approach removes ego from innovation. Instead of defending narratives, teams engage with evidence. They discover what works, what doesn’t, and what deserves investment—without wasting time or budget.
Efforts balloon prematurely. Teams build around assumptions instead of facts. Costs rise, progress slows, and customers wait for changes that should have been validated much earlier.
Root-cause accuracy improves. Performance variance decreases. Forecast accuracy sharpens because decisions come from evidence rather than optimism. Teams become more confident and experimental.
A manager dropped a longstanding narrative about a team’s performance gap and ran a small test to validate the real issue. The experiment revealed a different root cause entirely. The team corrected course quickly, saving weeks of misdirected effort.
Explore Change 200: Earn the Yes for securing real alignment around experiments, Accountability 200: Make Reality the Boss for evidence-based decision-making, and Strategy 300: Test, Tally, Turn to mature your learning cycle.