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| Criterion |  Decision Making PERT Estimation |  Decision Making Three-Point Estimation |  UX Research Customer Journey Mapping |
|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 15-45 min | 10-30 min je Item | 2-4 h |
Participantsdifferent | 1-8 | 1-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Three-Point Estimate, Risk Range, Assumption Notes | Journey Map, Pain-point List, Opportunity Backlog |
Tagsno overlap | EstimationUncertaintyRisk | EstimationUncertaintyForecasting | JourneyServiceService design |
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