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| Criterion |  Operations 5 Whys |  Innovation Morphological Analysis |  Innovation Rolestorming |
|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. | 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 |
Timedifferent | 15-30 min | 1-3 h | 30-60 min |
Participantsdifferent | 2-6 | 2-8 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Morphological Box, Concept Combinations, Idea Shortlist | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | IdeationInnovationCreativity | BrainstormingIdeationCreativity |
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