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| Criterion |  Knowledge Modeling Domain Storytelling |  Operations Barrier Analysis |  Operations 5 Whys |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | Domain Storytelling translates domain knowledge into a shared narrative of actors, objects, and workflows. It is especially useful when language, rules, and process understanding must be tightly connected. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 1-2 h | 2-4 h | 15-30 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 2-6 | 2-6 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Domain Story, Glossary Notes, Process Narrative | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | KnowledgeDomain-Driven DesignProcess | Root causeSafetyIncident | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |