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| Criterion |  Architecture C4 Model |  Operations Gemba Walk |  Operations Scatter Diagram |  Operations Standard Work Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 1-4 h | 30-120 min | 30-90 min | 1-3 h |
Participantsdifferent | 1-5 | 2-6 | 1-4 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Observation Notes, Improvement Ideas | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Standard Work Sheet, Deviation List, Improved Standard, Training Needs |
Tagsno overlap | ArchitectureCommunicationVisualization | LeanObservationProcessOperations | Root causeQualityVisualization | LeanProcessQuality |