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| Criterion |  Operations Change Analysis |  Operations Kepner-Tregoe |  UX Design Service Blueprinting |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | High | Low |
Timedifferent | 45-120 min | 2-8 h | 0.5-2 Tage | 15-30 min |
Participantsdifferent | 2-6 | 2-8 | 6-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Analysis, Decision Analysis, Risk Plan | Service Blueprint, Fail Points, Ownership Map | Root cause notes, Countermeasures |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Problem solvingRoot causeDecisionOperations | Service designOperationsJourneyBlueprint | Root causeIncidentLeanProblem solving |