
Test one hypothesis
Write the proposed cause, change, and success measure. Include a guardrail such as lead quality so extra submissions are not mistaken for better customers. Try the main customer task on a phone before signing off.
Low traffic may not support a reliable split test. Use task testing and measured improvements rather than claiming statistical certainty from a small sample. Agree whether the evidence supports keeping, changing, or stopping the approach.
- A written brief
- Named responsibilities
- Agreed review points




