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| Criterion |  Engineering Fault Isolation |  Innovation Rolestorming |  Innovation SCAMPER |  Innovation Morphological Analysis |
|---|---|---|---|---|
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. | For an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-180 min | 30-60 min | 30-60 min | 1-3 h |
Participantsdifferent | 1-6 | 3-12 | 2-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | SCAMPER Idea List, Concept Shortlist, Variation Notes | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | TroubleshootingDiagnosisEngineering | BrainstormingIdeationCreativity | BrainstormingIdeationCreativityReframingInnovation | IdeationInnovationCreativity |