Guides ยท Business
Product Experiment Brief Basics
Write a clear experiment brief
This guide explains writing an experiment brief: state hypothesis, primary/guardrail metrics, target audience, variant design, rollout plan, and decision rules before running.
- experiment brief
- hypothesis
- metrics
- rollout
- guardrails
State hypothesis
Describe the expected change and why it should move the metric.
Define metrics
Pick primary success metric and guardrails (e.g., error rate, retention).
Describe variants and audience
Outline control/variant differences and who will see them.
Plan rollout and decisions
Set sample size, duration, stopping rules, and next steps depending on outcomes.