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| Criterion |  Innovation Lotus Blossom |  Operations 5 Whys |  Operations Root Cause Analysis |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 15-30 min | 1-4 h | 30-60 min |
Participantsdifferent | 3-10 | 2-6 | 3-8 | 4-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Lotus Diagram, Idea Themes, Shortlist | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityDivergenceWorkshop | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident | BrainstormingIdeationCreativityWorkshopDivergence |