Recall the minimum checks needed before using a test result to justify a rollout.
Exposure check Causal interpretation improves when exposure is defined cleanly before outcomes are compared. What does a positive point estimate not tell you by itself? It does not tell you how uncertain the estimate still is or whether the true effect could be too small for the planned action. A point estimate starts the decision; it does not finish it. How should action size change with evidence strength? Rollout size should be proportional to evidence strength, not just to the headline lift. Best one-line recommendation when a test is promising but still noisy “The signal is encouraging, but the current…
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