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| Criterion |  UX Design Service Blueprinting |  Decision Making Delphi Method |  Product Strategy DIBB |  UX Research Customer Journey 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. | 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 a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | 0.5-2 Tage | 1-4 Wochen | 1-2 h | 2-4 h |
Participantsdifferent | 6-12 | 6-30 Experten | 2-8 | 4-10 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Expert Forecast, Consensus Range, Assumption Notes | DIBB document, Belief list, Bet list, Learning report | Journey Map, Pain-point List, Opportunity Backlog |
Tagsno overlap | Service designOperationsJourneyBlueprint | ForecastingExpertsDecisionStrategy | StrategyDecisionAssumptionsHypothesis | JourneyServiceService design |