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| Criterion |  Operations Accountability Ladder |  Architecture arc42 |  Operations 8D Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | 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 | Low | Low | High | Low |
Timedifferent | 20-45 min | 1-2 Tage | 1-6 Wochen | 15-30 min |
Participantsdifferent | 1-8 | 1-4 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Architecture Document, Context View, Runtime View, Deployment View | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | ResponsibilityLeadershipTeam | ArchitectureDocumentationCommunication | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving |