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| Criterion |  Innovation Brainwriting |  Product Strategy Lean Canvas |  Innovation Lotus Blossom |  Innovation Rapid Ideation |
|---|---|---|---|---|
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. | 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. | 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 15-30 min | 45-90 min | 45-90 min | 5-20 min |
Participantsdifferent | 3-12 | 1-6 | 3-10 | 1-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Lean Canvas, Core Assumptions, Experiment Backlog | Lotus Diagram, Idea Themes, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | StartupLeanAssumptionsBusiness model | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationDivergenceSpeed |