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| Criterion |  Knowledge Modeling IBIS |  UX Design Service Blueprinting |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 h | 0.5-2 Tage | 15-30 min |
Participantsdifferent | 2-8 | 6-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | Service Blueprint, Fail Points, Ownership Map | Root cause notes, Countermeasures |
Tagsno overlap | RationaleKnowledgeDecision | Service designOperationsJourneyBlueprint | Root causeIncidentLeanProblem solving |
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