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| Criterion |  Product Strategy Product Canvas |  Innovation Reverse Brainstorming |  Innovation Lotus Blossom |  Innovation Starbursting |
|---|---|---|---|---|
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. | 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. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h | 30-60 min | 45-90 min | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 3-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist | Star-Shaped Question Map, Question List, Assumption List |
Tagsno overlap | CanvasDiscoveryScope | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationWorkshopDiscovery |