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| Criterion |  Operations Root Cause Analysis |  Operations 5 Whys |  Innovation Brainstorming |  Innovation Rapid Ideation |
|---|---|---|---|---|
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. | 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 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 h | 15-30 min | 30-60 min | 5-20 min |
Participantsdifferent | 3-8 | 2-6 | 4-12 | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Root cause notes, Countermeasures | Idea pool, Theme clusters, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationDivergenceSpeed |