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| Criterion |  Decision Making Constraint Analysis |  Innovation Reverse Brainstorming |  Innovation Lotus Blossom |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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 central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | 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 | 30-90 min | 30-60 min | 45-90 min | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | ConstraintsDecisionPlanningOptions | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationCreativityWorkshopDivergence |