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| Criterion |  Facilitation 1-2-4-All |  Decision Making Constraint Analysis |  Innovation Reverse Brainstorming |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 10-20 min | 30-90 min | 30-60 min | 30-60 min |
Participantsdifferent | 4-100+ | 2-8 | 3-12 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | FacilitationInclusionIdeation | ConstraintsDecisionPlanningOptions | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |