A/B test decision flow

From hypothesis to ship/kill decision, with the statistical significance gate made explicit.

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Mermaid source

flowchart

flowchart TD
    hypothesis[Write hypothesis] --> design[Design variant + sample size]
    design --> run[Run experiment]
    run --> sig{Statistically significant?}
    sig -->|no| extend[Extend test duration]
    extend --> run
    sig -->|yes| lift{Positive lift on primary metric?}
    lift -->|yes| ship[Ship to 100%]
    lift -->|no| kill[Kill variant, document learnings]

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