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| Criterion |  Operations A3 Problem Solving |  Operations Failure Mode and Effects Analysis |  Innovation Brainstorming |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | 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 | Medium | High | Low | High |
Timedifferent | 45-90 min | 2-6 h | 30-60 min | 1-6 Wochen |
Participantsdifferent | 2-5 | 3-10 | 4-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | FMEA Table, Risk Priority, Mitigation Actions | Idea pool, Theme clusters, Shortlist | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | RiskQualityOperationsRoot cause | BrainstormingIdeationCreativityWorkshopDivergence | QualityProblem solvingRoot cause |