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| Criterion |  Innovation Reverse Brainstorming |  Decision Making Pre-Mortem |  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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 20–45 min | 5-20 min | 30-60 min |
Participantsdifferent | 3-12 | Small cross-functional group | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Risk list, Mitigation plan, Assumption log | Ideenpool, Roh-Shortlist, Cluster | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | RiskDecisionFailurePlanning | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativity |