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| Criterion |  Operations Root Cause Analysis |  Innovation Round Robin Brainstorming |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 h | 20-45 min | 15-30 min |
Participantsdifferent | 3-8 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea List, Cluster, Shortlist | Root cause notes, Countermeasures |
Tagsno overlap | Root causeProblem solvingQualityIncident | BrainstormingIdeationFacilitationInclusionCreativity | Root causeIncidentLeanProblem solving |
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