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Selected:Open Space TechnologyA3 Problem SolvingRoot Cause AnalysisFailure Mode and Effects Analysis
| Criterion |  Facilitation Open Space Technology |  Operations A3 Problem Solving |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 0.5-2 Tage | 45-90 min | 1-4 h | 2-6 h |
Participantsdifferent | 20-500+ | 2-5 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Session Marketplace, Proceedings, Action Topics | A3 Report, Action Plan, Root Cause Analysis | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FacilitationLarge groupAutonomy | LeanProblem solvingCoachingOperations | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause |