Quick Reference: Experiment Quality Checks
Recall the checks that make a growth experiment decision-ready.
What is the experiment hypothesis? A falsifiable statement linking audience, situation, intervention, expected behavior, and time window. If the statement cannot be wrong, it cannot teach. Which success metric is stronger? Use the metric closest to the behavior the idea claims to change. We can decide what success means after we see the results. Response Let’s set the decision rule now so we do not negotiate with the data later. Post-hoc thresholds turn experiments into storytelling. Pre-commitment protects learning quality. What guardrail belongs on most growth tests? A trust, quality, or downstream-health metric such as unsubscribe rate, support tickets, refund…
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