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| Criterion |  Operations A3 Problem Solving |  Facilitation Open Space Technology |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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 | 45-90 min | 0.5-2 Tage | 15-30 min |
Participantsdifferent | 2-5 | 20-500+ | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Session Marketplace, Proceedings, Action Topics | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | FacilitationLarge groupAutonomy | Root causeIncidentLeanProblem solving |
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