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| Criterion |  Decision Making Pre-Mortem |  Product Strategy ICE Scoring |  Architecture Architecture Decision Record |  Decision Making Argument Mapping |
|---|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. | 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 20–45 min | 30-60 min | 15-45 min | 1-3 h |
Participantsdifferent | Small cross-functional group | 2-8 | 1-3 | 1-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | ICE Table, Top Idea List | ADR File, Decision Log, Rationale | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | RiskDecisionFailurePlanning | PrioritizationScoringGrowthDecision | ArchitectureRationaleDocumentationGovernance | SensemakingDecisionRationale |