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| Criterion |  Decision Making Three-Point Estimation |  UX Design Service Blueprinting |  UX Research Customer Journey Mapping |  Agile NoEstimates |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 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. | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 10-30 min je Item | 0.5-2 Tage | 2-4 h | laufend |
Participantsdifferent | 1-8 | 6-12 | 4-10 | 2-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Service Blueprint, Fail Points, Ownership Map | Journey Map, Pain-point List, Opportunity Backlog | Throughput Data, Flow Forecast, Slicing Rules |
Tagsno overlap | EstimationUncertaintyForecasting | Service designOperationsJourneyBlueprint | JourneyServiceService design | EstimationForecastingFlow |