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| Criterion |  Decision Making Assumption Surfacing |  Product Strategy Impact Mapping |  UX Design Lean UX Canvas |  Decision Making Pre-Mortem |
|---|---|---|---|---|
Purposedifferent | 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. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 45-90 min | 2-3 h | 20–45 min |
Participantsdifferent | 2-8 | 3-8 | 3-8 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Impact Map, Outcome Hypotheses, Delivery Options | Completed Lean UX Canvas, Hypothesis list, First experiment | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | OutcomesStrategyBehaviorPlanning | CanvasHypothesisOutcomesDiscovery | RiskDecisionFailurePlanning |