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| Criterion |  Innovation Brainwriting |  Product Strategy Lean Canvas |  Facilitation 1-2-4-All |  Innovation Brainstorming |
|---|---|---|---|---|
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 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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 15-30 min | 45-90 min | 10-20 min | 30-60 min |
Participantsdifferent | 3-12 | 1-6 | 4-100+ | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Lean Canvas, Core Assumptions, Experiment Backlog | Idea List, Shared Insights, Emergent Themes | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | StartupLeanAssumptionsBusiness model | FacilitationInclusionIdeation | BrainstormingIdeationCreativityWorkshopDivergence |