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| Criterion |  Innovation Brainwriting |  Operations Root Cause Analysis |  Innovation Round Robin Brainstorming |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 15-30 min | 1-4 h | 20-45 min | 1-6 Wochen |
Participantsdifferent | 3-12 | 3-8 | 4-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea List, Cluster, Shortlist | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | Root causeProblem solvingQualityIncident | BrainstormingIdeationFacilitationInclusionCreativity | QualityProblem solvingRoot cause |