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| Criterion |  Innovation Rapid Ideation |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 5-20 min | 45-90 min | 2-8 h | 30-60 min |
Participantsdifferent | 1-20 | 2-5 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations | BrainstormingIdeationCreativityWorkshopDivergence |