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| Criterion |  Operations 8D Problem Solving |  Innovation Round Robin Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|
Purposedifferent | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1-6 Wochen | 20-45 min | 10-20 min |
Participantsdifferent | 4-10 | 4-10 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Idea List, Cluster, Shortlist | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | QualityProblem solvingRoot cause | BrainstormingIdeationFacilitationInclusionCreativity | FacilitationInclusionIdeation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
