- Hypothesis written with expected direction
- Primary metric and stop rule set before launch
- Sample size and run time calculated
- QA done on all browsers and devices
- No overlapping tests on the same audience
- Results recorded in the test log
A/B test launch checklist
- [ ] Hypothesis written with expected direction - [ ] Primary metric and stop rule set before launch - [ ] Sample size and run time calculated - [ ] QA done on all browsers and devices - [ ] No overlapping tests on the same audience - [ ] Results recorded in the test log