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| Criterion |  Innovation Double Diamond |  Operations Failure Mode and Effects Analysis |  Operations Kepner-Tregoe |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | Wochen bis Monate | 2-6 h | 2-8 h | 30-60 min |
Participantsdifferent | 3-12 | 3-10 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | FMEA Table, Risk Priority, Mitigation Actions | Problem Analysis, Decision Analysis, Risk Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | ProcessDivergenceInnovation | RiskQualityOperationsRoot cause | Problem solvingRoot causeDecisionOperations | Root causeQualityOperations |