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| Criterion |  Innovation Double Diamond |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |  Operations Gemba Walk |
|---|---|---|---|---|
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 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | Wochen bis Monate | 30-60 min | 2-6 h | 30-120 min |
Participantsdifferent | 3-12 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas |
Tagsno overlap | ProcessDivergenceInnovation | Root causeQualityOperations | RiskQualityOperationsRoot cause | LeanObservationProcessOperations |