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| Criterion |  Innovation Rolestorming |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |  Innovation Brainstorming |
|---|---|---|---|---|
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. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | Medium | High | Low |
Timedifferent | 30-60 min | 1-4 h | 2-6 h | 30-60 min |
Participantsdifferent | 3-12 | 3-8 | 3-10 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativity | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause | BrainstormingIdeationCreativityWorkshopDivergence |