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| Criterion |  Facilitation 1-2-4-All |  Decision Making Constraint Analysis |  Innovation Round Robin Brainstorming |  Innovation Reverse 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. | 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 10-20 min | 30-90 min | 20-45 min | 30-60 min |
Participantsdifferent | 4-100+ | 2-8 | 4-10 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Idea List, Cluster, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | FacilitationInclusionIdeation | ConstraintsDecisionPlanningOptions | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingIdeationCreativityRisk |