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| Criterion |  UX Design Service Blueprinting |  Decision Making Assumption Surfacing |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. | 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 | High | Low | Low |
Timedifferent | 0.5-2 Tage | 45-90 min | 20–45 min |
Participantsdifferent | 6-12 | 2-8 | Small cross-functional group |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Assumption List, Critical Assumptions, Learning Plan | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | Service designOperationsJourneyBlueprint | AssumptionsRiskDecisionDiscovery | RiskDecisionFailurePlanning |
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