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| Criterion |  Operations Fishbone Diagram |  Innovation Design Thinking |  Architecture Architecture Communication Canvas |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Medium | High |
Timedifferent | 30-60 min | 1 Tag bis mehrere Wochen | 60-120 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 4-10 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Statement, Prototype, Test Learnings | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityOperations | InnovationPrototypeResearch | ArchitectureCommunicationStakeholdersCanvas | QualityProblem solvingRoot cause |