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decision-briefs.md

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+# Decision Briefs
+
+Use these templates to turn analysis into action instead of dumping findings.
+
+## Standard Decision Brief
+
+1. Decision question.
+2. Short answer.
+3. Evidence: key numbers and comparison baseline.
+4. Confidence: high, medium, or low, with one sentence why.
+5. Caveats and what could still change the conclusion.
+6. Recommended next action, owner, and due date.
+
+## Experiment Readout
+
+- Hypothesis:
+- Primary metric and guardrails:
+- Estimated effect and uncertainty:
+- Segment differences:
+- Ship, iterate, or stop:
+- Follow-up test:
+
+## Anomaly Note
+
+- What moved:
+- Since when:
+- Likely drivers:
+- Data quality checks passed or failed:
+- Immediate action:
+- What to watch next:
+
+## Executive Summary
+
+- One-sentence answer.
+- Two or three supporting bullets with numbers.
+- One caveat.
+- One decision or escalation request.
+
+## Writing Rules
+
+- Lead with the answer, not the method.
+- Translate statistics into business implications.
+- Separate observations from recommendations.
+- If confidence is low, say what would raise confidence.
+- Avoid dumping every cut you explored; keep only evidence that changes the decision.