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| Criterion |  Product Strategy Lean Canvas |  Innovation Rapid Ideation |  Innovation Round Robin Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|---|
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. | 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. | 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. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 45-90 min | 5-20 min | 20-45 min | 10-20 min |
Participantsdifferent | 1-6 | 1-20 | 4-10 | 4-100+ |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Ideenpool, Roh-Shortlist, Cluster | Idea List, Cluster, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | StartupLeanAssumptionsBusiness model | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationFacilitationInclusionCreativity | FacilitationInclusionIdeation |