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| Criterion |  Product Strategy Lean Canvas |  Innovation Starbursting |  Innovation Brainwriting |
|---|---|---|---|
Purposedifferent | 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. | Helps clarify ideas, open questions, and testable next steps in concrete terms. It opens the thinking space, collects ideas, and leads to testable options. The result is captured as a star-shaped question map, question list, and assumption list. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 15-30 min |
Participantsdifferent | 1-6 | 3-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Star-Shaped Question Map, Question List, Assumption List | Idea sheets, Expanded concepts, Prioritized list |
Tagsno overlap | StartupLeanAssumptionsBusiness model | BrainstormingIdeationWorkshopDiscovery | BrainstormingCollaborationInclusionIdeas |
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