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| Criterion |  Operations Root Cause Analysis |  Operations Scatter Diagram |  Architecture arc42 |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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 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 | Low | Low | Low |
Timedifferent | 1-4 h | 30-90 min | 1-2 Tage | 15-30 min |
Participantsdifferent | 3-8 | 1-4 | 1-4 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Architecture Document, Context View, Runtime View, Deployment View | Root cause notes, Countermeasures |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeQualityVisualization | ArchitectureDocumentationCommunication | Root causeIncidentLeanProblem solving |