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| Criterion |  Operations Change Analysis |  Operations Scatter Diagram |  Architecture Architecture Communication Canvas |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-120 min | 30-90 min | 60-120 min | 1-4 h |
Participantsdifferent | 2-6 | 1-4 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Root causeQualityVisualization | ArchitectureCommunicationStakeholdersCanvas | ArchitectureCommunicationVisualization |