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| Criterion |  Innovation Rapid Ideation |  Innovation Reverse Brainstorming |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | 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. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 5-20 min | 30-60 min | 45-60 min |
Participantsdifferent | 1-20 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | Reverse Ideas, Risk Themes, Solution Ideas | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityRisk | AssumptionsRiskExperimentsValidation |
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