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| Criterion |  UX Design Service Blueprinting |  Decision Making Argument Mapping |  Operations 5 Whys |
|---|---|---|---|
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. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | High | Medium | Low |
Timedifferent | 0.5-2 Tage | 1-3 h | 15-30 min |
Participantsdifferent | 6-12 | 1-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Argument Map, Evidence Gaps, Decision Rationale | Root cause notes, Countermeasures |
Tagsno overlap | Service designOperationsJourneyBlueprint | SensemakingDecisionRationale | Root causeIncidentLeanProblem solving |
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