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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Brainwriting |  Facilitation 1-2-4-All |  Innovation Design Charrette |
|---|---|---|---|---|
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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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 | Medium | Low | Low | Medium |
Timedifferent | 1-3 h | 15-30 min | 10-20 min | Halber Tag bis mehrere Tage |
Participantsdifferent | 2-8 | 3-12 | 4-100+ | 10-50 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Idea sheets, Expanded concepts, Prioritized list | Idea List, Shared Insights, Emergent Themes | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingCollaborationInclusionIdeas | FacilitationInclusionIdeation | BrainstormingWorkshopCollaborationIdeation |