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| Criterion |  UX Design Service Blueprinting |  Product Strategy DIBB |  Decision Making Delphi Method |
|---|---|---|---|
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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | High | Low | High |
Timedifferent | 0.5-2 Tage | 1-2 h | 1-4 Wochen |
Participantsdifferent | 6-12 | 2-8 | 6-30 Experten |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | DIBB document, Belief list, Bet list, Learning report | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Service designOperationsJourneyBlueprint | StrategyDecisionAssumptionsHypothesis | ForecastingExpertsDecisionStrategy |
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