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| Criterion |  Product Strategy Product Canvas |  Innovation Brainwriting |  Innovation Starbursting |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | 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. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h | 15-30 min | 30-60 min | 20-45 min |
Participantsdifferent | 2-8 | 3-12 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Idea sheets, Expanded concepts, Prioritized list | Star-Shaped Question Map, Question List, Assumption List | Idea List, Cluster, Shortlist |
Tagsno overlap | CanvasDiscoveryScope | BrainstormingCollaborationInclusionIdeas | BrainstormingIdeationWorkshopDiscovery | BrainstormingIdeationFacilitationInclusionCreativity |