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| Criterion |  Product Discovery Opportunity Solution Tree |  Architecture Architecture Decision Record |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 15-45 min | 45-90 min |
Participantsdifferent | 2-6 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | ADR File, Decision Log, Rationale | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | ArchitectureRationaleDocumentationGovernance | AssumptionsRiskDecisionDiscovery |
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