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| Criterion |  Innovation Reverse Brainstorming |  Product Strategy Lean Canvas |  Innovation Rapid Ideation |  Innovation Rolestorming |
|---|---|---|---|---|
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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | When a search for ideas stalls, switching roles helps people step outside their own perspective and activate new logics of action. The method reduces habit because contributions arise from a different stance. This brings unfamiliar, often fitting solution approaches into play. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-60 min | 45-90 min | 5-20 min | 30-60 min |
Participantsdifferent | 3-12 | 1-6 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Lean Canvas, Core Assumptions, Experiment Backlog | Ideenpool, Roh-Shortlist, Cluster | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | StartupLeanAssumptionsBusiness model | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativity |