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| Criterion |  Operations 5 Whys |  Innovation Rolestorming |  Innovation Morphological Analysis |
|---|---|---|---|
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. | 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 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 | Low | Low | Medium |
Timedifferent | 15-30 min | 30-60 min | 1-3 h |
Participantsdifferent | 2-6 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativity | IdeationInnovationCreativity |
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