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| Criterion |  Innovation Reverse Brainstorming |  Product Strategy Lean Canvas |  Innovation Crazy 8s |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | 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 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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-60 min | 45-90 min | 8-15 min | 45-90 min |
Participantsdifferent | 3-12 | 1-6 | 1-10 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Lean Canvas, Core Assumptions, Experiment Backlog | Sketch Set, Idea Shortlist, Direction Options | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | StartupLeanAssumptionsBusiness model | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativityDivergenceWorkshop |