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| Criterion |  UX Design Service Blueprinting |  Decision Making Delphi Method |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | High | Medium |
Timedifferent | 0.5-2 Tage | 1-4 Wochen | 45-60 min |
Participantsdifferent | 6-12 | 6-30 Experten | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Expert Forecast, Consensus Range, Assumption Notes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Service designOperationsJourneyBlueprint | ForecastingExpertsDecisionStrategy | AssumptionsRiskExperimentsValidation |
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