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| Criterion |  Operations 5 Whys |  Innovation Lotus Blossom |  Operations 8D Problem Solving |  Innovation Design Charrette |
|---|---|---|---|---|
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 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 15-30 min | 45-90 min | 1-6 Wochen | Halber Tag bis mehrere Tage |
Participantsdifferent | 2-6 | 3-10 | 4-10 | 10-50 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Lotus Diagram, Idea Themes, Shortlist | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityDivergenceWorkshop | QualityProblem solvingRoot cause | BrainstormingWorkshopCollaborationIdeation |