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| Criterion |  Innovation Double Diamond |  Operations Fishbone Diagram |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | Wochen bis Monate | 30-60 min | 1-3 h |
Participantsdifferent | 3-12 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Fishbone Diagram, Cause Categories, Investigation Backlog | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | Root causeQualityOperations | Root causeTreeIncidentQuality |
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