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| Criterion |  Knowledge Modeling Domain Storytelling |  Operations 5 Whys |  Operations Family Tree Analysis |  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 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 a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | Low | Medium | High |
Timedifferent | 1-2 h | 15-30 min | 2-4 h | 1-6 Wochen |
Participantsdifferent | 2-8 | 2-6 | 2-6 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Domain Story, Glossary Notes, Process Narrative | Root cause notes, Countermeasures | Family Tree Diagram, Pattern Notes, Systemic Measures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | KnowledgeDomain-Driven DesignProcess | Root causeIncidentLeanProblem solving | Root causePatternsIncidentSystemic | QualityProblem solvingRoot cause |