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| Criterion |  Product Discovery Assumption Mapping |  Innovation Lean Startup |  Innovation Brainstorming |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 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 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-60 min | Wochen bis Monate je Lernzyklus | 30-60 min | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | AssumptionsRiskExperimentsValidation | LeanStartupValidationMVP | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk |