Decision Walk: Mixed Metrics At Readout
Make a launch decision from a statistically significant primary metric and conflicting guardrails.
Readout room CTR is statistically significant. Conversion is flat. Complaints are up. The pre-launch plan named complaints as a guardrail. The test has evidence, but the decision is still multi-part. Framework Verdict Stack Readouts are strongest when the team stacks evidence in order: primary metric, guardrails, confidence interval, and business action. Shortcut Declare winner from the green metric The decision follows the whole experiment contract, not one tile. Statistical significance supports a metric claim; launch readiness requires the primary claim and guardrails to make sense together. Primary Step 1 CTR is +1.2% relative, p=0.018, at the planned horizon. How should…
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