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| Criterion |  Product Strategy Product Canvas |  Innovation Starbursting |  Innovation Reverse Brainstorming |  Innovation Rolestorming |
|---|---|---|---|---|
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. | 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. | 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 search for ideas stalls, switching roles helps people step outside their own perspective and activate new logics of action. The method reduces habit because contributions arise from a different stance. This brings unfamiliar, often fitting solution approaches into play. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h | 30-60 min | 30-60 min | 30-60 min |
Participantsdifferent | 2-8 | 3-10 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Star-Shaped Question Map, Question List, Assumption List | Reverse Ideas, Risk Themes, Solution Ideas | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | CanvasDiscoveryScope | BrainstormingIdeationWorkshopDiscovery | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativity |