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| Criterion |  Operations Scatter Diagram |  Operations Failure Mode and Effects Analysis |  Architecture C4 Model |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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 | High | Low | High |
Timedifferent | 30-90 min | 2-6 h | 1-4 h | 1-6 Wochen |
Participantsdifferent | 1-4 | 3-10 | 1-5 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | FMEA Table, Risk Priority, Mitigation Actions | Context Diagram, Container Diagram, Component Diagram | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityVisualization | RiskQualityOperationsRoot cause | ArchitectureCommunicationVisualization | QualityProblem solvingRoot cause |