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| Criterion |  Innovation Crazy 8s |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
Purposedifferent | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 8-15 min | 30-60 min | 2-6 h |
Participantsdifferent | 1-10 | 2-8 | 3-10 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | Root causeQualityOperations | RiskQualityOperationsRoot cause |
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