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| Criterion |  Innovation Crazy 8s |  Operations Causal Factor Analysis |  Innovation Reverse Brainstorming |  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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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 | Low | Low |
Timedifferent | 8-15 min | 2-6 h | 30-60 min | 5-20 min |
Participantsdifferent | 1-10 | 3-10 | 3-12 | 1-20 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | CausalityIncidentRoot causeTimeline | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed |