Claim ceiling

Write down, before the test runs, the biggest thing a win would let you say out loud. It caps the victory speech in advance, so a narrow result cannot be inflated into a broad conclusion once people are excited.

Write down, before the test runs, the biggest thing a win would let you say out loud. It caps the victory speech in advance, so a narrow result cannot be inflated into a broad conclusion once people are excited.

Example

For the onboarding pilot you write: "If signups clear plus 6 percent over control, we may say the flow helped new US signups in Q4. We may not say it lifts retention, works in other markets, or justifies rebuilding checkout."