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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Brainstorming |  Operations Root Cause Analysis |  Innovation Lotus Blossom |
|---|---|---|---|---|
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 team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 30-60 min | 1-4 h | 45-90 min |
Participantsdifferent | 2-8 | 4-12 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Idea pool, Theme clusters, Shortlist | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingIdeationCreativityWorkshopDivergence | Root causeProblem solvingQualityIncident | BrainstormingIdeationCreativityDivergenceWorkshop |