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| Criterion |  Product Strategy Lean Canvas |  Facilitation 1-2-4-All |  Innovation Brainwriting |
|---|---|---|---|
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 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 10-20 min | 15-30 min |
Participantsdifferent | 1-6 | 4-100+ | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Idea List, Shared Insights, Emergent Themes | Idea sheets, Expanded concepts, Prioritized list |
Tagsno overlap | StartupLeanAssumptionsBusiness model | FacilitationInclusionIdeation | BrainstormingCollaborationInclusionIdeas |
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