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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Lotus Blossom |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 45-90 min | 15-30 min |
Participantsdifferent | 2-8 | 3-10 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Lotus Diagram, Idea Themes, Shortlist | Root cause notes, Countermeasures |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingIdeationCreativityDivergenceWorkshop | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
