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| Criterion |  Innovation Brainstorming |  Innovation Lean Startup |  Product Strategy Lean Canvas |  Innovation Rapid Ideation |
|---|---|---|---|---|
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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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 | Low | Medium | Medium | Low |
Timedifferent | 30-60 min | Wochen bis Monate je Lernzyklus | 45-90 min | 5-20 min |
Participantsdifferent | 4-12 | 2-8 | 1-6 | 1-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Lean Canvas, Core Assumptions, Experiment Backlog | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | LeanStartupValidationMVP | StartupLeanAssumptionsBusiness model | BrainstormingIdeationDivergenceSpeed |