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| Criterion |  Engineering Fault Isolation |  Innovation Rolestorming |  Innovation Round Robin Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-180 min | 30-60 min | 20-45 min | 10-20 min |
Participantsdifferent | 1-6 | 3-12 | 4-10 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Idea List, Cluster, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | TroubleshootingDiagnosisEngineering | BrainstormingIdeationCreativity | BrainstormingIdeationFacilitationInclusionCreativity | FacilitationInclusionIdeation |