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| Criterion |  Innovation Reverse Brainstorming |  Innovation Lean Startup |  Product Discovery Assumption Mapping |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Medium | Low |
Timedifferent | 30-60 min | Wochen bis Monate je Lernzyklus | 45-60 min | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Assumption map, Test backlog, Risk ranking | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | LeanStartupValidationMVP | AssumptionsRiskExperimentsValidation | BrainstormingIdeationCreativityDivergenceWorkshop |