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| Criterion |  Decision Making Three-Point Estimation |  UX Design Service Blueprinting |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | High |
Timedifferent | 10-30 min je Item | 0.5-2 Tage | 2-8 h |
Participantsdifferent | 1-8 | 6-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Service Blueprint, Fail Points, Ownership Map | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | EstimationUncertaintyForecasting | Service designOperationsJourneyBlueprint | Problem solvingRoot causeDecisionOperations |
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