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| Criterion |  Decision Making Delphi Method |  Innovation Brainstorming |  Innovation Reverse Brainstorming |  Innovation Rolestorming |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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 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 | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 30-60 min | 30-60 min | 30-60 min |
Participantsdifferent | 6-30 Experten | 4-12 | 3-12 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | ForecastingExpertsDecisionStrategy | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativity |