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| Criterion |  Innovation Brainwriting |  Innovation Lean Startup |  Business Strategy 5-Minuten VC-Check |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-30 min | Wochen bis Monate je Lernzyklus | 5-15 min | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 1-5 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | LeanStartupValidationMVP | StartupValidationCompetition | StartupLeanAssumptionsBusiness model |