Protocol

Spells out how the number will actually get produced, before anyone produces it: who gets measured, over what window, against which comparison group, using what instrument, and who runs the pull. Locking this stops later fights over whether the measurement was fair.

Spells out how the number will actually get produced, before anyone produces it: who gets measured, over what window, against which comparison group, using what instrument, and who runs the pull. Locking this stops later fights over whether the measurement was fair.

Example

For the onboarding pilot: all new users from March 1 to June 30, split 50/50 between the old and new flow, counted as anyone finishing step four within 48 hours, pulled from the product database by the analytics lead, with no copy changes mid-pilot.