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| Criterion |  Innovation Rolestorming |  Operations 8D Problem Solving |  Innovation Reverse Brainstorming |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 30-60 min | 1-6 Wochen | 30-60 min | 1-4 h |
Participantsdifferent | 3-12 | 4-10 | 3-12 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Reverse Ideas, Risk Themes, Solution Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | BrainstormingIdeationCreativity | QualityProblem solvingRoot cause | BrainstormingIdeationCreativityRisk | Root causeProblem solvingQualityIncident |