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| Criterion |  Innovation Brainstorming |  Innovation Lean Startup |  Innovation Reverse Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-60 min | Wochen bis Monate je Lernzyklus | 30-60 min | 45-90 min |
Participantsdifferent | 4-12 | 2-8 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | LeanStartupValidationMVP | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop |