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| Criterion |  Decision Making PERT Estimation |  UX Research Customer Journey Mapping |  Agile Affinity Estimation |
|---|---|---|---|
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. | 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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 15-45 min | 2-4 h | 30-90 min |
Participantsdifferent | 1-8 | 4-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Journey Map, Pain-point List, Opportunity Backlog | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | EstimationUncertaintyRisk | JourneyServiceService design | EstimationBacklogRelative sizing |
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