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| Criterion |  Operations 8D Problem Solving |  Innovation Rolestorming |  Operations Kepner-Tregoe |  Innovation Brainstorming |
|---|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | 1-6 Wochen | 30-60 min | 2-8 h | 30-60 min |
Participantsdifferent | 4-10 | 3-12 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Problem Analysis, Decision Analysis, Risk Plan | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | QualityProblem solvingRoot cause | BrainstormingIdeationCreativity | Problem solvingRoot causeDecisionOperations | BrainstormingIdeationCreativityWorkshopDivergence |