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| Criterion |  Innovation Lean Startup |  Innovation Reverse Brainstorming |  Innovation Rapid Ideation |
|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 | Medium | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min | 5-20 min |
Participantsdifferent | 2-8 | 3-12 | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | LeanStartupValidationMVP | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
