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| Criterion | ![]() Innovation Reverse Brainstorming | ![]() Innovation Lean Startup | ![]() 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 | Wochen bis Monate je Lernzyklus | 5-20 min | 30-60 min |
Participantsdifferent | 3-12 | 2-8 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Ideenpool, Roh-Shortlist, Cluster | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | LeanStartupValidationMVP | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativity |



