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| Criterion |  Operations Failure Mode and Effects Analysis |  Innovation Rapid Ideation |  Operations Fishbone Diagram |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | 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 a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 2-6 h | 5-20 min | 30-60 min | 8-15 min |
Participantsdifferent | 3-10 | 1-20 | 2-8 | 1-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Ideenpool, Roh-Shortlist, Cluster | Fishbone Diagram, Cause Categories, Investigation Backlog | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | RiskQualityOperationsRoot cause | BrainstormingIdeationDivergenceSpeed | Root causeQualityOperations | BrainstormingSketchingSpeedDivergenceDesign sprint |