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| Criterion |  Operations ABC Analysis |  Operations 5 Whys |  Facilitation Dot Voting |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. | 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 | Low | Low | Medium |
Timedifferent | 30-60 min | 15-30 min | 5-15 min | 1-4 h |
Participantsdifferent | 1-5 | 2-6 | 3-20 | 3-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Root cause notes, Countermeasures | Ranked list, Consensus signal, Shortlist | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | PrioritizationOperationsPortfolio | Root causeIncidentLeanProblem solving | FacilitationVotingConsensusPrioritization | Root causeProblem solvingQualityIncident |