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| Criterion |  Architecture Architecture Decision Record |  Product Strategy ICE Scoring |  Product Strategy RICE Scoring |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 30-60 min | 60-90 min |
Participantsdifferent | 1-3 | 2-8 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | ICE Table, Top Idea List | RICE Scores, Ranked List, Assumption Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | PrioritizationScoringGrowthDecision | PrioritizationScoringRoadmapTradeoffs |
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