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| Criterion |  Innovation Crazy 8s |  Operations Failure Mode and Effects Analysis |  Operations Kepner-Tregoe |  Innovation Rapid Ideation |
|---|---|---|---|---|
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. | 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 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. |
Complexitydifferent | Low | High | High | Low |
Timedifferent | 8-15 min | 2-6 h | 2-8 h | 5-20 min |
Participantsdifferent | 1-10 | 3-10 | 2-8 | 1-20 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | FMEA Table, Risk Priority, Mitigation Actions | Problem Analysis, Decision Analysis, Risk Plan | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | RiskQualityOperationsRoot cause | Problem solvingRoot causeDecisionOperations | BrainstormingIdeationDivergenceSpeed |