Evidence integrity
Evidence integrity: can the evidence be trusted?
- A hypothesis, primary metric and decision rule are required before an experiment launches.
- Every change to a record is logged with the time and the person who made it.
- Flags hypotheses edited after launch, metrics changed mid-test, tests stopped early and documentation added after the fact.
- Detects experiments that overlap and could contaminate each other's results.
- Scores each experiment and the programme as a whole.




