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| Criterion |  Innovation Reverse Brainstorming |  Operations Failure Mode and Effects Analysis |  Operations A3 Problem Solving |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 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 | High | Medium | High |
Timedifferent | 30-60 min | 2-6 h | 45-90 min | 1-6 Wochen |
Participantsdifferent | 3-12 | 3-10 | 2-5 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | FMEA Table, Risk Priority, Mitigation Actions | A3 Report, Action Plan, Root Cause Analysis | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | BrainstormingIdeationCreativityRisk | RiskQualityOperationsRoot cause | LeanProblem solvingCoachingOperations | QualityProblem solvingRoot cause |