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