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Selected:Service BlueprintingThree-Point EstimationFailure Mode and Effects AnalysisFishbone Diagram
| Criterion |  UX Design Service Blueprinting |  Decision Making Three-Point Estimation |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 0.5-2 Tage | 10-30 min je Item | 2-6 h | 30-60 min |
Participantsdifferent | 6-12 | 1-8 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Three-Point Estimate, Risk Range, Assumption Notes | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Service designOperationsJourneyBlueprint | EstimationUncertaintyForecasting | RiskQualityOperationsRoot cause | Root causeQualityOperations |